3x+9-7x=2(2x+6)

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Solution for 3x+9-7x=2(2x+6) equation:


Simplifying
3x + 9 + -7x = 2(2x + 6)

Reorder the terms:
9 + 3x + -7x = 2(2x + 6)

Combine like terms: 3x + -7x = -4x
9 + -4x = 2(2x + 6)

Reorder the terms:
9 + -4x = 2(6 + 2x)
9 + -4x = (6 * 2 + 2x * 2)
9 + -4x = (12 + 4x)

Solving
9 + -4x = 12 + 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.
9 + -4x + -4x = 12 + 4x + -4x

Combine like terms: -4x + -4x = -8x
9 + -8x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
9 + -8x = 12 + 0
9 + -8x = 12

Add '-9' to each side of the equation.
9 + -9 + -8x = 12 + -9

Combine like terms: 9 + -9 = 0
0 + -8x = 12 + -9
-8x = 12 + -9

Combine like terms: 12 + -9 = 3
-8x = 3

Divide each side by '-8'.
x = -0.375

Simplifying
x = -0.375

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