3x+108=7x+28

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Solution for 3x+108=7x+28 equation:


Simplifying
3x + 108 = 7x + 28

Reorder the terms:
108 + 3x = 7x + 28

Reorder the terms:
108 + 3x = 28 + 7x

Solving
108 + 3x = 28 + 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.
108 + 3x + -7x = 28 + 7x + -7x

Combine like terms: 3x + -7x = -4x
108 + -4x = 28 + 7x + -7x

Combine like terms: 7x + -7x = 0
108 + -4x = 28 + 0
108 + -4x = 28

Add '-108' to each side of the equation.
108 + -108 + -4x = 28 + -108

Combine like terms: 108 + -108 = 0
0 + -4x = 28 + -108
-4x = 28 + -108

Combine like terms: 28 + -108 = -80
-4x = -80

Divide each side by '-4'.
x = 20

Simplifying
x = 20

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