55-x=4x-15

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Solution for 55-x=4x-15 equation:


Simplifying
55 + -1x = 4x + -15

Reorder the terms:
55 + -1x = -15 + 4x

Solving
55 + -1x = -15 + 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 + -1x + -4x = -15 + 4x + -4x

Combine like terms: -1x + -4x = -5x
55 + -5x = -15 + 4x + -4x

Combine like terms: 4x + -4x = 0
55 + -5x = -15 + 0
55 + -5x = -15

Add '-55' to each side of the equation.
55 + -55 + -5x = -15 + -55

Combine like terms: 55 + -55 = 0
0 + -5x = -15 + -55
-5x = -15 + -55

Combine like terms: -15 + -55 = -70
-5x = -70

Divide each side by '-5'.
x = 14

Simplifying
x = 14

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