7x-4(3x+3)=28

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Solution for 7x-4(3x+3)=28 equation:


Simplifying
7x + -4(3x + 3) = 28

Reorder the terms:
7x + -4(3 + 3x) = 28
7x + (3 * -4 + 3x * -4) = 28
7x + (-12 + -12x) = 28

Reorder the terms:
-12 + 7x + -12x = 28

Combine like terms: 7x + -12x = -5x
-12 + -5x = 28

Solving
-12 + -5x = 28

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + -5x = 28 + 12

Combine like terms: -12 + 12 = 0
0 + -5x = 28 + 12
-5x = 28 + 12

Combine like terms: 28 + 12 = 40
-5x = 40

Divide each side by '-5'.
x = -8

Simplifying
x = -8

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