(40+x)=2(10+x)

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Solution for (40+x)=2(10+x) equation:


Simplifying
(40 + x) = 2(10 + x)

Remove parenthesis around (40 + x)
40 + x = 2(10 + x)
40 + x = (10 * 2 + x * 2)
40 + x = (20 + 2x)

Solving
40 + x = 20 + 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.
40 + x + -2x = 20 + 2x + -2x

Combine like terms: x + -2x = -1x
40 + -1x = 20 + 2x + -2x

Combine like terms: 2x + -2x = 0
40 + -1x = 20 + 0
40 + -1x = 20

Add '-40' to each side of the equation.
40 + -40 + -1x = 20 + -40

Combine like terms: 40 + -40 = 0
0 + -1x = 20 + -40
-1x = 20 + -40

Combine like terms: 20 + -40 = -20
-1x = -20

Divide each side by '-1'.
x = 20

Simplifying
x = 20

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