13(3x+4)-7(2x-5)=5x-15

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Solution for 13(3x+4)-7(2x-5)=5x-15 equation:


Simplifying
13(3x + 4) + -7(2x + -5) = 5x + -15

Reorder the terms:
13(4 + 3x) + -7(2x + -5) = 5x + -15
(4 * 13 + 3x * 13) + -7(2x + -5) = 5x + -15
(52 + 39x) + -7(2x + -5) = 5x + -15

Reorder the terms:
52 + 39x + -7(-5 + 2x) = 5x + -15
52 + 39x + (-5 * -7 + 2x * -7) = 5x + -15
52 + 39x + (35 + -14x) = 5x + -15

Reorder the terms:
52 + 35 + 39x + -14x = 5x + -15

Combine like terms: 52 + 35 = 87
87 + 39x + -14x = 5x + -15

Combine like terms: 39x + -14x = 25x
87 + 25x = 5x + -15

Reorder the terms:
87 + 25x = -15 + 5x

Solving
87 + 25x = -15 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
87 + 25x + -5x = -15 + 5x + -5x

Combine like terms: 25x + -5x = 20x
87 + 20x = -15 + 5x + -5x

Combine like terms: 5x + -5x = 0
87 + 20x = -15 + 0
87 + 20x = -15

Add '-87' to each side of the equation.
87 + -87 + 20x = -15 + -87

Combine like terms: 87 + -87 = 0
0 + 20x = -15 + -87
20x = -15 + -87

Combine like terms: -15 + -87 = -102
20x = -102

Divide each side by '20'.
x = -5.1

Simplifying
x = -5.1

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