3(x+5)-12=4x+5

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Solution for 3(x+5)-12=4x+5 equation:


Simplifying
3(x + 5) + -12 = 4x + 5

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

Reorder the terms:
15 + -12 + 3x = 4x + 5

Combine like terms: 15 + -12 = 3
3 + 3x = 4x + 5

Reorder the terms:
3 + 3x = 5 + 4x

Solving
3 + 3x = 5 + 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.
3 + 3x + -4x = 5 + 4x + -4x

Combine like terms: 3x + -4x = -1x
3 + -1x = 5 + 4x + -4x

Combine like terms: 4x + -4x = 0
3 + -1x = 5 + 0
3 + -1x = 5

Add '-3' to each side of the equation.
3 + -3 + -1x = 5 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 5 + -3
-1x = 5 + -3

Combine like terms: 5 + -3 = 2
-1x = 2

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

Simplifying
x = -2

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