60-6x=7x+21

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Solution for 60-6x=7x+21 equation:


Simplifying
60 + -6x = 7x + 21

Reorder the terms:
60 + -6x = 21 + 7x

Solving
60 + -6x = 21 + 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.
60 + -6x + -7x = 21 + 7x + -7x

Combine like terms: -6x + -7x = -13x
60 + -13x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
60 + -13x = 21 + 0
60 + -13x = 21

Add '-60' to each side of the equation.
60 + -60 + -13x = 21 + -60

Combine like terms: 60 + -60 = 0
0 + -13x = 21 + -60
-13x = 21 + -60

Combine like terms: 21 + -60 = -39
-13x = -39

Divide each side by '-13'.
x = 3

Simplifying
x = 3

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