7x+189=3x+117

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Solution for 7x+189=3x+117 equation:


Simplifying
7x + 189 = 3x + 117

Reorder the terms:
189 + 7x = 3x + 117

Reorder the terms:
189 + 7x = 117 + 3x

Solving
189 + 7x = 117 + 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.
189 + 7x + -3x = 117 + 3x + -3x

Combine like terms: 7x + -3x = 4x
189 + 4x = 117 + 3x + -3x

Combine like terms: 3x + -3x = 0
189 + 4x = 117 + 0
189 + 4x = 117

Add '-189' to each side of the equation.
189 + -189 + 4x = 117 + -189

Combine like terms: 189 + -189 = 0
0 + 4x = 117 + -189
4x = 117 + -189

Combine like terms: 117 + -189 = -72
4x = -72

Divide each side by '4'.
x = -18

Simplifying
x = -18

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