7-2(4+x)=3x+9

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Solution for 7-2(4+x)=3x+9 equation:


Simplifying
7 + -2(4 + x) = 3x + 9
7 + (4 * -2 + x * -2) = 3x + 9
7 + (-8 + -2x) = 3x + 9

Combine like terms: 7 + -8 = -1
-1 + -2x = 3x + 9

Reorder the terms:
-1 + -2x = 9 + 3x

Solving
-1 + -2x = 9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-1 + -2x + -3x = 9 + 3x + -3x

Combine like terms: -2x + -3x = -5x
-1 + -5x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
-1 + -5x = 9 + 0
-1 + -5x = 9

Add '1' to each side of the equation.
-1 + 1 + -5x = 9 + 1

Combine like terms: -1 + 1 = 0
0 + -5x = 9 + 1
-5x = 9 + 1

Combine like terms: 9 + 1 = 10
-5x = 10

Divide each side by '-5'.
x = -2

Simplifying
x = -2

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