-85=-2x-3(-5x-15)

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Solution for -85=-2x-3(-5x-15) equation:


Simplifying
-85 = -2x + -3(-5x + -15)

Reorder the terms:
-85 = -2x + -3(-15 + -5x)
-85 = -2x + (-15 * -3 + -5x * -3)
-85 = -2x + (45 + 15x)

Reorder the terms:
-85 = 45 + -2x + 15x

Combine like terms: -2x + 15x = 13x
-85 = 45 + 13x

Solving
-85 = 45 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
-85 + -13x = 45 + 13x + -13x

Combine like terms: 13x + -13x = 0
-85 + -13x = 45 + 0
-85 + -13x = 45

Add '85' to each side of the equation.
-85 + 85 + -13x = 45 + 85

Combine like terms: -85 + 85 = 0
0 + -13x = 45 + 85
-13x = 45 + 85

Combine like terms: 45 + 85 = 130
-13x = 130

Divide each side by '-13'.
x = -10

Simplifying
x = -10

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