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

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


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

Reorder the terms:
7x + 5(-15 + -3x) = 13
7x + (-15 * 5 + -3x * 5) = 13
7x + (-75 + -15x) = 13

Reorder the terms:
-75 + 7x + -15x = 13

Combine like terms: 7x + -15x = -8x
-75 + -8x = 13

Solving
-75 + -8x = 13

Solving for variable 'x'.

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

Add '75' to each side of the equation.
-75 + 75 + -8x = 13 + 75

Combine like terms: -75 + 75 = 0
0 + -8x = 13 + 75
-8x = 13 + 75

Combine like terms: 13 + 75 = 88
-8x = 88

Divide each side by '-8'.
x = -11

Simplifying
x = -11

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