Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^2+5x+6=0
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Equation 5x+12=8x+30
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Equation 81*x^3+18*x^2+x=0
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Equation x(x^2+2x+1)=6(x+1)
- Express {x} in terms of y where:
- -14*x-8*y=20
- 8*x+6*y=20
- -11*x-19*y=14
- -16*x+10*y=-11
- Canonical form:
- 7x
- Integral of d{x}:
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7x
- Derivative of:
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7x
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Identical expressions
- seven x= thirteen - two (8x-7)
- 7x equally 13 minus 2(8x minus 7)
- seven x equally thirteen minus two (8x minus 7)
- 7x=13-28x-7
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Similar expressions
- (2*x^2-7*x-15)*(2*sin(x)-sqrt(3))=0
- -7*x^2=0
- 7x=13+2(8x-7)
- 7x=13-2(8x+7)
7x=13-2(8x-7) equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Expand brackets in the right part
Looking for similar summands in the right part:
Move the summands with the unknown x
from the right part to the left part:
$$23 x = 27$$
Divide both parts of the equation by 23
We get the answer: x = 27/23
7*x = 13-2*(8*x-7)
Expand brackets in the right part
7*x = 13-2*8*x+2*7
Looking for similar summands in the right part:
7*x = 27 - 16*x
Move the summands with the unknown x
from the right part to the left part:
$$23 x = 27$$
Divide both parts of the equation by 23
x = 27 / (23)
We get the answer: x = 27/23
Sum and product of roots
[src]
sum
27 -- 23
$$\frac{27}{23}$$
=
27 -- 23
$$\frac{27}{23}$$
product
27 -- 23
$$\frac{27}{23}$$
=
27 -- 23
$$\frac{27}{23}$$
27/23