7x-78=4x-12

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Solution for 7x-78=4x-12 equation:


Simplifying
7x + -78 = 4x + -12

Reorder the terms:
-78 + 7x = 4x + -12

Reorder the terms:
-78 + 7x = -12 + 4x

Solving
-78 + 7x = -12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-78 + 7x + -4x = -12 + 4x + -4x

Combine like terms: 7x + -4x = 3x
-78 + 3x = -12 + 4x + -4x

Combine like terms: 4x + -4x = 0
-78 + 3x = -12 + 0
-78 + 3x = -12

Add '78' to each side of the equation.
-78 + 78 + 3x = -12 + 78

Combine like terms: -78 + 78 = 0
0 + 3x = -12 + 78
3x = -12 + 78

Combine like terms: -12 + 78 = 66
3x = 66

Divide each side by '3'.
x = 22

Simplifying
x = 22

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