X+(20+X)=160

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Solution for X+(20+X)=160 equation:


Simplifying
X + (20 + X) = 160

Remove parenthesis around (20 + X)
X + 20 + X = 160

Reorder the terms:
20 + X + X = 160

Combine like terms: X + X = 2X
20 + 2X = 160

Solving
20 + 2X = 160

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 = 160 + -20

Combine like terms: 20 + -20 = 0
0 + 2X = 160 + -20
2X = 160 + -20

Combine like terms: 160 + -20 = 140
2X = 140

Divide each side by '2'.
X = 70

Simplifying
X = 70

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