87=-7x+4(2x+19)

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Solution for 87=-7x+4(2x+19) equation:


Simplifying
87 = -7x + 4(2x + 19)

Reorder the terms:
87 = -7x + 4(19 + 2x)
87 = -7x + (19 * 4 + 2x * 4)
87 = -7x + (76 + 8x)

Reorder the terms:
87 = 76 + -7x + 8x

Combine like terms: -7x + 8x = 1x
87 = 76 + 1x

Solving
87 = 76 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
87 + -1x = 76 + 1x + -1x

Combine like terms: 1x + -1x = 0
87 + -1x = 76 + 0
87 + -1x = 76

Add '-87' to each side of the equation.
87 + -87 + -1x = 76 + -87

Combine like terms: 87 + -87 = 0
0 + -1x = 76 + -87
-1x = 76 + -87

Combine like terms: 76 + -87 = -11
-1x = -11

Divide each side by '-1'.
x = 11

Simplifying
x = 11

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