4(x+3)-3x=7x-9

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Solution for 4(x+3)-3x=7x-9 equation:


Simplifying
4(x + 3) + -3x = 7x + -9

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

Combine like terms: 4x + -3x = 1x
12 + 1x = 7x + -9

Reorder the terms:
12 + 1x = -9 + 7x

Solving
12 + 1x = -9 + 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 + 1x + -7x = -9 + 7x + -7x

Combine like terms: 1x + -7x = -6x
12 + -6x = -9 + 7x + -7x

Combine like terms: 7x + -7x = 0
12 + -6x = -9 + 0
12 + -6x = -9

Add '-12' to each side of the equation.
12 + -12 + -6x = -9 + -12

Combine like terms: 12 + -12 = 0
0 + -6x = -9 + -12
-6x = -9 + -12

Combine like terms: -9 + -12 = -21
-6x = -21

Divide each side by '-6'.
x = 3.5

Simplifying
x = 3.5

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