3(x+7)-5x-9=

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Solution for 3(x+7)-5x-9= equation:


Simplifying
3(x + 7) + -5x + -9 = 0

Reorder the terms:
3(7 + x) + -5x + -9 = 0
(7 * 3 + x * 3) + -5x + -9 = 0
(21 + 3x) + -5x + -9 = 0

Reorder the terms:
21 + -9 + 3x + -5x = 0

Combine like terms: 21 + -9 = 12
12 + 3x + -5x = 0

Combine like terms: 3x + -5x = -2x
12 + -2x = 0

Solving
12 + -2x = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -2x = 0 + -12

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

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

Divide each side by '-2'.
x = 6

Simplifying
x = 6

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