-87=7x+4

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Solution for -87=7x+4 equation:


Simplifying
-87 = 7x + 4

Reorder the terms:
-87 = 4 + 7x

Solving
-87 = 4 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-87 + -7x = 4 + 7x + -7x

Combine like terms: 7x + -7x = 0
-87 + -7x = 4 + 0
-87 + -7x = 4

Add '87' to each side of the equation.
-87 + 87 + -7x = 4 + 87

Combine like terms: -87 + 87 = 0
0 + -7x = 4 + 87
-7x = 4 + 87

Combine like terms: 4 + 87 = 91
-7x = 91

Divide each side by '-7'.
x = -13

Simplifying
x = -13

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