7x+4x-54=90-7x

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Solution for 7x+4x-54=90-7x equation: 


Simplifying
7x + 4x + -54 = 90 + -7x

Reorder the terms:
-54 + 7x + 4x = 90 + -7x

Combine like terms: 7x + 4x = 11x
-54 + 11x = 90 + -7x

Solving
-54 + 11x = 90 + -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.
-54 + 11x + 7x = 90 + -7x + 7x

Combine like terms: 11x + 7x = 18x
-54 + 18x = 90 + -7x + 7x

Combine like terms: -7x + 7x = 0
-54 + 18x = 90 + 0
-54 + 18x = 90

Add '54' to each side of the equation.
-54 + 54 + 18x = 90 + 54

Combine like terms: -54 + 54 = 0
0 + 18x = 90 + 54
18x = 90 + 54

Combine like terms: 90 + 54 = 144
18x = 144

Divide each side by '18'.
x = 8

Simplifying
x = 8

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