87=-5(3x+8)+7

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Solution for 87=-5(3x+8)+7 equation:


Simplifying
87 = -5(3x + 8) + 7

Reorder the terms:
87 = -5(8 + 3x) + 7
87 = (8 * -5 + 3x * -5) + 7
87 = (-40 + -15x) + 7

Reorder the terms:
87 = -40 + 7 + -15x

Combine like terms: -40 + 7 = -33
87 = -33 + -15x

Solving
87 = -33 + -15x

Solving for variable 'x'.

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

Add '15x' to each side of the equation.
87 + 15x = -33 + -15x + 15x

Combine like terms: -15x + 15x = 0
87 + 15x = -33 + 0
87 + 15x = -33

Add '-87' to each side of the equation.
87 + -87 + 15x = -33 + -87

Combine like terms: 87 + -87 = 0
0 + 15x = -33 + -87
15x = -33 + -87

Combine like terms: -33 + -87 = -120
15x = -120

Divide each side by '15'.
x = -8

Simplifying
x = -8

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