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

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


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

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

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

Combine like terms: -12 + -7 = -19
-19 + 3x = 4x + 9

Reorder the terms:
-19 + 3x = 9 + 4x

Solving
-19 + 3x = 9 + 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.
-19 + 3x + -4x = 9 + 4x + -4x

Combine like terms: 3x + -4x = -1x
-19 + -1x = 9 + 4x + -4x

Combine like terms: 4x + -4x = 0
-19 + -1x = 9 + 0
-19 + -1x = 9

Add '19' to each side of the equation.
-19 + 19 + -1x = 9 + 19

Combine like terms: -19 + 19 = 0
0 + -1x = 9 + 19
-1x = 9 + 19

Combine like terms: 9 + 19 = 28
-1x = 28

Divide each side by '-1'.
x = -28

Simplifying
x = -28

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