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

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


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

Reorder the terms:
3x + -4(2 + x) = 3x + 9
3x + (2 * -4 + x * -4) = 3x + 9
3x + (-8 + -4x) = 3x + 9

Reorder the terms:
-8 + 3x + -4x = 3x + 9

Combine like terms: 3x + -4x = -1x
-8 + -1x = 3x + 9

Reorder the terms:
-8 + -1x = 9 + 3x

Solving
-8 + -1x = 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.
-8 + -1x + -3x = 9 + 3x + -3x

Combine like terms: -1x + -3x = -4x
-8 + -4x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
-8 + -4x = 9 + 0
-8 + -4x = 9

Add '8' to each side of the equation.
-8 + 8 + -4x = 9 + 8

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

Combine like terms: 9 + 8 = 17
-4x = 17

Divide each side by '-4'.
x = -4.25

Simplifying
x = -4.25

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