-87=3+9x

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Solution for -87=3+9x equation:


Simplifying
-87 = 3 + 9x

Solving
-87 = 3 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-87 + -9x = 3 + 9x + -9x

Combine like terms: 9x + -9x = 0
-87 + -9x = 3 + 0
-87 + -9x = 3

Add '87' to each side of the equation.
-87 + 87 + -9x = 3 + 87

Combine like terms: -87 + 87 = 0
0 + -9x = 3 + 87
-9x = 3 + 87

Combine like terms: 3 + 87 = 90
-9x = 90

Divide each side by '-9'.
x = -10

Simplifying
x = -10

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