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

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


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

Reorder the terms:
7 + -4(4 + 3x) = -9x
7 + (4 * -4 + 3x * -4) = -9x
7 + (-16 + -12x) = -9x

Combine like terms: 7 + -16 = -9
-9 + -12x = -9x

Solving
-9 + -12x = -9x

Solving for variable 'x'.

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

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

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

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

Add '9' to each side of the equation.
-9 + 9 + -3x = 0 + 9

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

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

Divide each side by '-3'.
x = -3

Simplifying
x = -3

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