4x-5+3(x-3)=12x+7

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Solution for 4x-5+3(x-3)=12x+7 equation:


Simplifying
4x + -5 + 3(x + -3) = 12x + 7

Reorder the terms:
4x + -5 + 3(-3 + x) = 12x + 7
4x + -5 + (-3 * 3 + x * 3) = 12x + 7
4x + -5 + (-9 + 3x) = 12x + 7

Reorder the terms:
-5 + -9 + 4x + 3x = 12x + 7

Combine like terms: -5 + -9 = -14
-14 + 4x + 3x = 12x + 7

Combine like terms: 4x + 3x = 7x
-14 + 7x = 12x + 7

Reorder the terms:
-14 + 7x = 7 + 12x

Solving
-14 + 7x = 7 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-14 + 7x + -12x = 7 + 12x + -12x

Combine like terms: 7x + -12x = -5x
-14 + -5x = 7 + 12x + -12x

Combine like terms: 12x + -12x = 0
-14 + -5x = 7 + 0
-14 + -5x = 7

Add '14' to each side of the equation.
-14 + 14 + -5x = 7 + 14

Combine like terms: -14 + 14 = 0
0 + -5x = 7 + 14
-5x = 7 + 14

Combine like terms: 7 + 14 = 21
-5x = 21

Divide each side by '-5'.
x = -4.2

Simplifying
x = -4.2

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