13x-(3x-7)=87

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Solution for 13x-(3x-7)=87 equation:


Simplifying
13x + -1(3x + -7) = 87

Reorder the terms:
13x + -1(-7 + 3x) = 87
13x + (-7 * -1 + 3x * -1) = 87
13x + (7 + -3x) = 87

Reorder the terms:
7 + 13x + -3x = 87

Combine like terms: 13x + -3x = 10x
7 + 10x = 87

Solving
7 + 10x = 87

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + 10x = 87 + -7

Combine like terms: 7 + -7 = 0
0 + 10x = 87 + -7
10x = 87 + -7

Combine like terms: 87 + -7 = 80
10x = 80

Divide each side by '10'.
x = 8

Simplifying
x = 8

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