7x-66=3x+6

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Solution for 7x-66=3x+6 equation:


Simplifying
7x + -66 = 3x + 6

Reorder the terms:
-66 + 7x = 3x + 6

Reorder the terms:
-66 + 7x = 6 + 3x

Solving
-66 + 7x = 6 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-66 + 7x + -3x = 6 + 3x + -3x

Combine like terms: 7x + -3x = 4x
-66 + 4x = 6 + 3x + -3x

Combine like terms: 3x + -3x = 0
-66 + 4x = 6 + 0
-66 + 4x = 6

Add '66' to each side of the equation.
-66 + 66 + 4x = 6 + 66

Combine like terms: -66 + 66 = 0
0 + 4x = 6 + 66
4x = 6 + 66

Combine like terms: 6 + 66 = 72
4x = 72

Divide each side by '4'.
x = 18

Simplifying
x = 18

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