X+50+X+65=90

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Solution for X+50+X+65=90 equation:


Simplifying
X + 50 + X + 65 = 90

Reorder the terms:
50 + 65 + X + X = 90

Combine like terms: 50 + 65 = 115
115 + X + X = 90

Combine like terms: X + X = 2X
115 + 2X = 90

Solving
115 + 2X = 90

Solving for variable 'X'.

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

Add '-115' to each side of the equation.
115 + -115 + 2X = 90 + -115

Combine like terms: 115 + -115 = 0
0 + 2X = 90 + -115
2X = 90 + -115

Combine like terms: 90 + -115 = -25
2X = -25

Divide each side by '2'.
X = -12.5

Simplifying
X = -12.5

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