2(9)=2(10-x)

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Solution for 2(9)=2(10-x) equation:


Simplifying
2(9) = 2(10 + -1x)

Multiply 2 * 9
18 = 2(10 + -1x)
18 = (10 * 2 + -1x * 2)
18 = (20 + -2x)

Solving
18 = 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.
18 + 2x = 20 + -2x + 2x

Combine like terms: -2x + 2x = 0
18 + 2x = 20 + 0
18 + 2x = 20

Add '-18' to each side of the equation.
18 + -18 + 2x = 20 + -18

Combine like terms: 18 + -18 = 0
0 + 2x = 20 + -18
2x = 20 + -18

Combine like terms: 20 + -18 = 2
2x = 2

Divide each side by '2'.
x = 1

Simplifying
x = 1

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