3(x+4)=5x+15

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Solution for 3(x+4)=5x+15 equation:


Simplifying
3(x + 4) = 5x + 15

Reorder the terms:
3(4 + x) = 5x + 15
(4 * 3 + x * 3) = 5x + 15
(12 + 3x) = 5x + 15

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

Solving
12 + 3x = 15 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
12 + 3x + -5x = 15 + 5x + -5x

Combine like terms: 3x + -5x = -2x
12 + -2x = 15 + 5x + -5x

Combine like terms: 5x + -5x = 0
12 + -2x = 15 + 0
12 + -2x = 15

Add '-12' to each side of the equation.
12 + -12 + -2x = 15 + -12

Combine like terms: 12 + -12 = 0
0 + -2x = 15 + -12
-2x = 15 + -12

Combine like terms: 15 + -12 = 3
-2x = 3

Divide each side by '-2'.
x = -1.5

Simplifying
x = -1.5

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