3(x-7)-3(2x-4)=4(x+3)

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Solution for 3(x-7)-3(2x-4)=4(x+3) equation:


Simplifying
3(x + -7) + -3(2x + -4) = 4(x + 3)

Reorder the terms:
3(-7 + x) + -3(2x + -4) = 4(x + 3)
(-7 * 3 + x * 3) + -3(2x + -4) = 4(x + 3)
(-21 + 3x) + -3(2x + -4) = 4(x + 3)

Reorder the terms:
-21 + 3x + -3(-4 + 2x) = 4(x + 3)
-21 + 3x + (-4 * -3 + 2x * -3) = 4(x + 3)
-21 + 3x + (12 + -6x) = 4(x + 3)

Reorder the terms:
-21 + 12 + 3x + -6x = 4(x + 3)

Combine like terms: -21 + 12 = -9
-9 + 3x + -6x = 4(x + 3)

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

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

Solving
-9 + -3x = 12 + 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.
-9 + -3x + -4x = 12 + 4x + -4x

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

Combine like terms: 4x + -4x = 0
-9 + -7x = 12 + 0
-9 + -7x = 12

Add '9' to each side of the equation.
-9 + 9 + -7x = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -7x = 12 + 9
-7x = 12 + 9

Combine like terms: 12 + 9 = 21
-7x = 21

Divide each side by '-7'.
x = -3

Simplifying
x = -3

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