29+x+x=90

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Solution for 29+x+x=90 equation: 


Simplifying
29 + x + x = 90

Combine like terms: x + x = 2x
29 + 2x = 90

Solving
29 + 2x = 90

Solving for variable 'x'.

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

Add '-29' to each side of the equation.
29 + -29 + 2x = 90 + -29

Combine like terms: 29 + -29 = 0
0 + 2x = 90 + -29
2x = 90 + -29

Combine like terms: 90 + -29 = 61
2x = 61

Divide each side by '2'.
x = 30.5

Simplifying
x = 30.5

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