x+x+20=378

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Solution for x+x+20=378 equation:


Simplifying
x + x + 20 = 378

Reorder the terms:
20 + x + x = 378

Combine like terms: x + x = 2x
20 + 2x = 378

Solving
20 + 2x = 378

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 2x = 378 + -20

Combine like terms: 20 + -20 = 0
0 + 2x = 378 + -20
2x = 378 + -20

Combine like terms: 378 + -20 = 358
2x = 358

Divide each side by '2'.
x = 179

Simplifying
x = 179

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