6x+3(x-4)=7(x-3)

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Solution for 6x+3(x-4)=7(x-3) equation:


Simplifying
6x + 3(x + -4) = 7(x + -3)

Reorder the terms:
6x + 3(-4 + x) = 7(x + -3)
6x + (-4 * 3 + x * 3) = 7(x + -3)
6x + (-12 + 3x) = 7(x + -3)

Reorder the terms:
-12 + 6x + 3x = 7(x + -3)

Combine like terms: 6x + 3x = 9x
-12 + 9x = 7(x + -3)

Reorder the terms:
-12 + 9x = 7(-3 + x)
-12 + 9x = (-3 * 7 + x * 7)
-12 + 9x = (-21 + 7x)

Solving
-12 + 9x = -21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-12 + 9x + -7x = -21 + 7x + -7x

Combine like terms: 9x + -7x = 2x
-12 + 2x = -21 + 7x + -7x

Combine like terms: 7x + -7x = 0
-12 + 2x = -21 + 0
-12 + 2x = -21

Add '12' to each side of the equation.
-12 + 12 + 2x = -21 + 12

Combine like terms: -12 + 12 = 0
0 + 2x = -21 + 12
2x = -21 + 12

Combine like terms: -21 + 12 = -9
2x = -9

Divide each side by '2'.
x = -4.5

Simplifying
x = -4.5

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