9-(5x+3)=20-7x

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Solution for 9-(5x+3)=20-7x equation:


Simplifying
9 + -1(5x + 3) = 20 + -7x

Reorder the terms:
9 + -1(3 + 5x) = 20 + -7x
9 + (3 * -1 + 5x * -1) = 20 + -7x
9 + (-3 + -5x) = 20 + -7x

Combine like terms: 9 + -3 = 6
6 + -5x = 20 + -7x

Solving
6 + -5x = 20 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
6 + -5x + 7x = 20 + -7x + 7x

Combine like terms: -5x + 7x = 2x
6 + 2x = 20 + -7x + 7x

Combine like terms: -7x + 7x = 0
6 + 2x = 20 + 0
6 + 2x = 20

Add '-6' to each side of the equation.
6 + -6 + 2x = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = 20 + -6
2x = 20 + -6

Combine like terms: 20 + -6 = 14
2x = 14

Divide each side by '2'.
x = 7

Simplifying
x = 7

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