4x-2(x-9)=20

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Solution for 4x-2(x-9)=20 equation:


Simplifying
4x + -2(x + -9) = 20

Reorder the terms:
4x + -2(-9 + x) = 20
4x + (-9 * -2 + x * -2) = 20
4x + (18 + -2x) = 20

Reorder the terms:
18 + 4x + -2x = 20

Combine like terms: 4x + -2x = 2x
18 + 2x = 20

Solving
18 + 2x = 20

Solving for variable 'x'.

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

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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