5x+3(-x-15)=-57

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Solution for 5x+3(-x-15)=-57 equation:


Simplifying
5x + 3(-1x + -15) = -57

Reorder the terms:
5x + 3(-15 + -1x) = -57
5x + (-15 * 3 + -1x * 3) = -57
5x + (-45 + -3x) = -57

Reorder the terms:
-45 + 5x + -3x = -57

Combine like terms: 5x + -3x = 2x
-45 + 2x = -57

Solving
-45 + 2x = -57

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 2x = -57 + 45

Combine like terms: -45 + 45 = 0
0 + 2x = -57 + 45
2x = -57 + 45

Combine like terms: -57 + 45 = -12
2x = -12

Divide each side by '2'.
x = -6

Simplifying
x = -6

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