(3x+3)+4x=12

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Solution for (3x+3)+4x=12 equation:


Simplifying
(3x + 3) + 4x = 12

Reorder the terms:
(3 + 3x) + 4x = 12

Remove parenthesis around (3 + 3x)
3 + 3x + 4x = 12

Combine like terms: 3x + 4x = 7x
3 + 7x = 12

Solving
3 + 7x = 12

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 7x = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 7x = 12 + -3
7x = 12 + -3

Combine like terms: 12 + -3 = 9
7x = 9

Divide each side by '7'.
x = 1.285714286

Simplifying
x = 1.285714286

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