7x-52+4x+21=90

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Solution for 7x-52+4x+21=90 equation:


Simplifying
7x + -52 + 4x + 21 = 90

Reorder the terms:
-52 + 21 + 7x + 4x = 90

Combine like terms: -52 + 21 = -31
-31 + 7x + 4x = 90

Combine like terms: 7x + 4x = 11x
-31 + 11x = 90

Solving
-31 + 11x = 90

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '31' to each side of the equation.
-31 + 31 + 11x = 90 + 31

Combine like terms: -31 + 31 = 0
0 + 11x = 90 + 31
11x = 90 + 31

Combine like terms: 90 + 31 = 121
11x = 121

Divide each side by '11'.
x = 11

Simplifying
x = 11

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