Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^2+7*x+12=0
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Equation 12/x=3
-
Equation 7x-9=40
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Equation (x-2)^2=(x-8)^2
- Express {x} in terms of y where:
- -6*x-11*y=-20
- -15*x+7*y=1
- -1*x-20*y=1
- -1*x-15*y=13
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Identical expressions
- x+ three / seven =3x- two / eight
- x plus 3 divide by 7 equally 3x minus 2 divide by 8
- x plus three divide by seven equally 3x minus two divide by eight
- x+3 divide by 7=3x-2 divide by 8
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Similar expressions
- (x+3)/7=(2x-1)/5
- x+3/7=3x+2/8
- (x+3)/7=(2*x-1)/5
- (3x-2)/8=(2x+1)/3
- x-3/7=3x-2/8
- (x+3)/7=((3x)-2)/8
x+3/7=3x-2/8 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Move free summands (without x)
from left part to right part, we given:
$$x = 3 x - \frac{19}{28}$$
Move the summands with the unknown x
from the right part to the left part:
$$\left(-2\right) x = - \frac{19}{28}$$
Divide both parts of the equation by -2
We get the answer: x = 19/56
x+3/7 = 3*x-2/8
Move free summands (without x)
from left part to right part, we given:
$$x = 3 x - \frac{19}{28}$$
Move the summands with the unknown x
from the right part to the left part:
$$\left(-2\right) x = - \frac{19}{28}$$
Divide both parts of the equation by -2
x = -19/28 / (-2)
We get the answer: x = 19/56
Sum and product of roots
[src]
sum
19 -- 56
$$\frac{19}{56}$$
=
19 -- 56
$$\frac{19}{56}$$
product
19 -- 56
$$\frac{19}{56}$$
=
19 -- 56
$$\frac{19}{56}$$
19/56
The graph