6x-3+3x=87

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Solution for 6x-3+3x=87 equation: 


Simplifying
6x + -3 + 3x = 87

Reorder the terms:
-3 + 6x + 3x = 87

Combine like terms: 6x + 3x = 9x
-3 + 9x = 87

Solving
-3 + 9x = 87

Solving for variable 'x'.

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

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

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

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

Divide each side by '9'.
x = 10

Simplifying
x = 10

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