90=x+23+x+13

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Solution for 90=x+23+x+13 equation:


Simplifying
90 = x + 23 + x + 13

Reorder the terms:
90 = 23 + 13 + x + x

Combine like terms: 23 + 13 = 36
90 = 36 + x + x

Combine like terms: x + x = 2x
90 = 36 + 2x

Solving
90 = 36 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
90 + -2x = 36 + 2x + -2x

Combine like terms: 2x + -2x = 0
90 + -2x = 36 + 0
90 + -2x = 36

Add '-90' to each side of the equation.
90 + -90 + -2x = 36 + -90

Combine like terms: 90 + -90 = 0
0 + -2x = 36 + -90
-2x = 36 + -90

Combine like terms: 36 + -90 = -54
-2x = -54

Divide each side by '-2'.
x = 27

Simplifying
x = 27

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