3x+15-9=4(x+2)

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Solution for 3x+15-9=4(x+2) equation:


Simplifying
3x + 15 + -9 = 4(x + 2)

Reorder the terms:
15 + -9 + 3x = 4(x + 2)

Combine like terms: 15 + -9 = 6
6 + 3x = 4(x + 2)

Reorder the terms:
6 + 3x = 4(2 + x)
6 + 3x = (2 * 4 + x * 4)
6 + 3x = (8 + 4x)

Solving
6 + 3x = 8 + 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 + 3x + -4x = 8 + 4x + -4x

Combine like terms: 3x + -4x = -1x
6 + -1x = 8 + 4x + -4x

Combine like terms: 4x + -4x = 0
6 + -1x = 8 + 0
6 + -1x = 8

Add '-6' to each side of the equation.
6 + -6 + -1x = 8 + -6

Combine like terms: 6 + -6 = 0
0 + -1x = 8 + -6
-1x = 8 + -6

Combine like terms: 8 + -6 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2

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