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- Equation:
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Equation 7*81^x+9*49^x=16*63^x
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Equation x-180=6688/19
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Equation z^5=-1
- Equation 1/96x²-11,375x=0
- Express {x} in terms of y where:
- 8*x-7*y=-13
- 15*x-15*y=16
- 9*x+18*y=6
- (x^2+y^2-1)^3+x^2*y^3=0
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Identical expressions
- seven * eighty-one ^x+ nine * forty-nine ^x= sixteen * sixty-three ^x
- 7 multiply by 81 to the power of x plus 9 multiply by 49 to the power of x equally 16 multiply by 63 to the power of x
- seven multiply by eighty minus one to the power of x plus nine multiply by forty minus nine to the power of x equally sixteen multiply by sixty minus three to the power of x
- 7*81x+9*49x=16*63x
- 781^x+949^x=1663^x
- 781x+949x=1663x
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Similar expressions
- 7*81^x-9*49^x=16*63^x
7*81^x+9*49^x=16*63^x equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
x x x 7*81 + 9*49 = 16*63
$$9 \cdot 49^{x} + 7 \cdot 81^{x} = 16 \cdot 63^{x}$$
Numerical answer
[src]
x1 = -41.2665876993419
x2 = -7.63852438899752
x3 = -15.2973259448237
x4 = -23.2704801517235
x5 = -31.2670690852938
x6 = -61.2665455805123
x7 = 1.0
x8 = -103.266545302283
x9 = -85.2665453029441
x10 = -35.2667368679024
x11 = -37.2666611720898
x12 = -63.2665454705917
x13 = -101.266545302288
x14 = -81.266545304102
x15 = -29.2674116737935
x16 = -87.2665453026801
x17 = -49.2665509797053
x18 = -59.2665457622178
x19 = -33.2668620423224
x20 = -53.2665473799197
x21 = -65.2665454040965
x22 = -43.2665709491212
x23 = -77.2665453072659
x24 = -47.2665546874761
x25 = -71.2665453248166
x26 = -99.2665453022957
x27 = -67.2665453638711
x28 = -17.2847690277796
x29 = -9.44023669015698
x30 = -79.2665453052945
x31 = 0.0
x32 = -51.2665487367565
x33 = -69.2665453395371
x34 = -97.2665453023086
x35 = -83.2665453033805
x36 = -19.2774297540601
x37 = -27.267978907661
x38 = -95.26654530233
x39 = -13.3193390772782
x40 = -57.2665460625885
x41 = -75.2665453105247
x42 = -21.273079705109
x43 = -73.2665453159116
x44 = -45.2665608167552
x45 = -55.2665465591203
x46 = -25.2689190868388
x47 = -105.26654530228
x48 = -93.2665453023653
x49 = -39.2666153906662
x50 = -91.2665453024238
x51 = -11.3596689490116
x52 = -89.2665453025204
x52 = -89.2665453025204
The graph