7x+55=4x+28

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Solution for 7x+55=4x+28 equation:


Simplifying
7x + 55 = 4x + 28

Reorder the terms:
55 + 7x = 4x + 28

Reorder the terms:
55 + 7x = 28 + 4x

Solving
55 + 7x = 28 + 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.
55 + 7x + -4x = 28 + 4x + -4x

Combine like terms: 7x + -4x = 3x
55 + 3x = 28 + 4x + -4x

Combine like terms: 4x + -4x = 0
55 + 3x = 28 + 0
55 + 3x = 28

Add '-55' to each side of the equation.
55 + -55 + 3x = 28 + -55

Combine like terms: 55 + -55 = 0
0 + 3x = 28 + -55
3x = 28 + -55

Combine like terms: 28 + -55 = -27
3x = -27

Divide each side by '3'.
x = -9

Simplifying
x = -9

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