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

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


Simplifying
3(3 + 4x) + -15 = 4x
(3 * 3 + 4x * 3) + -15 = 4x
(9 + 12x) + -15 = 4x

Reorder the terms:
9 + -15 + 12x = 4x

Combine like terms: 9 + -15 = -6
-6 + 12x = 4x

Solving
-6 + 12x = 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-6 + 12x + -4x = 4x + -4x

Combine like terms: 12x + -4x = 8x
-6 + 8x = 4x + -4x

Combine like terms: 4x + -4x = 0
-6 + 8x = 0

Add '6' to each side of the equation.
-6 + 6 + 8x = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 8x = 0 + 6
8x = 0 + 6

Combine like terms: 0 + 6 = 6
8x = 6

Divide each side by '8'.
x = 0.75

Simplifying
x = 0.75

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