171-4x=6x+21

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Solution for 171-4x=6x+21 equation:


Simplifying
171 + -4x = 6x + 21

Reorder the terms:
171 + -4x = 21 + 6x

Solving
171 + -4x = 21 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
171 + -4x + -6x = 21 + 6x + -6x

Combine like terms: -4x + -6x = -10x
171 + -10x = 21 + 6x + -6x

Combine like terms: 6x + -6x = 0
171 + -10x = 21 + 0
171 + -10x = 21

Add '-171' to each side of the equation.
171 + -171 + -10x = 21 + -171

Combine like terms: 171 + -171 = 0
0 + -10x = 21 + -171
-10x = 21 + -171

Combine like terms: 21 + -171 = -150
-10x = -150

Divide each side by '-10'.
x = 15

Simplifying
x = 15

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