4(3x-3)+7=3x+15

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Solution for 4(3x-3)+7=3x+15 equation:


Simplifying
4(3x + -3) + 7 = 3x + 15

Reorder the terms:
4(-3 + 3x) + 7 = 3x + 15
(-3 * 4 + 3x * 4) + 7 = 3x + 15
(-12 + 12x) + 7 = 3x + 15

Reorder the terms:
-12 + 7 + 12x = 3x + 15

Combine like terms: -12 + 7 = -5
-5 + 12x = 3x + 15

Reorder the terms:
-5 + 12x = 15 + 3x

Solving
-5 + 12x = 15 + 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.
-5 + 12x + -3x = 15 + 3x + -3x

Combine like terms: 12x + -3x = 9x
-5 + 9x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
-5 + 9x = 15 + 0
-5 + 9x = 15

Add '5' to each side of the equation.
-5 + 5 + 9x = 15 + 5

Combine like terms: -5 + 5 = 0
0 + 9x = 15 + 5
9x = 15 + 5

Combine like terms: 15 + 5 = 20
9x = 20

Divide each side by '9'.
x = 2.222222222

Simplifying
x = 2.222222222

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