9-(2x-3)=20-4x

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Solution for 9-(2x-3)=20-4x equation:


Simplifying
9 + -1(2x + -3) = 20 + -4x

Reorder the terms:
9 + -1(-3 + 2x) = 20 + -4x
9 + (-3 * -1 + 2x * -1) = 20 + -4x
9 + (3 + -2x) = 20 + -4x

Combine like terms: 9 + 3 = 12
12 + -2x = 20 + -4x

Solving
12 + -2x = 20 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
12 + -2x + 4x = 20 + -4x + 4x

Combine like terms: -2x + 4x = 2x
12 + 2x = 20 + -4x + 4x

Combine like terms: -4x + 4x = 0
12 + 2x = 20 + 0
12 + 2x = 20

Add '-12' to each side of the equation.
12 + -12 + 2x = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = 20 + -12
2x = 20 + -12

Combine like terms: 20 + -12 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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