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

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


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

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

Combine like terms: 3x + 7x = 10x
-5 + 10x = -3(x + -4)

Reorder the terms:
-5 + 10x = -3(-4 + x)
-5 + 10x = (-4 * -3 + x * -3)
-5 + 10x = (12 + -3x)

Solving
-5 + 10x = 12 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-5 + 10x + 3x = 12 + -3x + 3x

Combine like terms: 10x + 3x = 13x
-5 + 13x = 12 + -3x + 3x

Combine like terms: -3x + 3x = 0
-5 + 13x = 12 + 0
-5 + 13x = 12

Add '5' to each side of the equation.
-5 + 5 + 13x = 12 + 5

Combine like terms: -5 + 5 = 0
0 + 13x = 12 + 5
13x = 12 + 5

Combine like terms: 12 + 5 = 17
13x = 17

Divide each side by '13'.
x = 1.307692308

Simplifying
x = 1.307692308

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