2x-9=3(x-7)

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Solution for 2x-9=3(x-7) equation:


Simplifying
2x + -9 = 3(x + -7)

Reorder the terms:
-9 + 2x = 3(x + -7)

Reorder the terms:
-9 + 2x = 3(-7 + x)
-9 + 2x = (-7 * 3 + x * 3)
-9 + 2x = (-21 + 3x)

Solving
-9 + 2x = -21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-9 + 2x + -3x = -21 + 3x + -3x

Combine like terms: 2x + -3x = -1x
-9 + -1x = -21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-9 + -1x = -21 + 0
-9 + -1x = -21

Add '9' to each side of the equation.
-9 + 9 + -1x = -21 + 9

Combine like terms: -9 + 9 = 0
0 + -1x = -21 + 9
-1x = -21 + 9

Combine like terms: -21 + 9 = -12
-1x = -12

Divide each side by '-1'.
x = 12

Simplifying
x = 12

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