3(x-4)+7-9x=13

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Solution for 3(x-4)+7-9x=13 equation:


Simplifying
3(x + -4) + 7 + -9x = 13

Reorder the terms:
3(-4 + x) + 7 + -9x = 13
(-4 * 3 + x * 3) + 7 + -9x = 13
(-12 + 3x) + 7 + -9x = 13

Reorder the terms:
-12 + 7 + 3x + -9x = 13

Combine like terms: -12 + 7 = -5
-5 + 3x + -9x = 13

Combine like terms: 3x + -9x = -6x
-5 + -6x = 13

Solving
-5 + -6x = 13

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + -6x = 13 + 5

Combine like terms: -5 + 5 = 0
0 + -6x = 13 + 5
-6x = 13 + 5

Combine like terms: 13 + 5 = 18
-6x = 18

Divide each side by '-6'.
x = -3

Simplifying
x = -3

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