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

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


Simplifying
(9x + 7) + -1(7x + -5) = 0

Reorder the terms:
(7 + 9x) + -1(7x + -5) = 0

Remove parenthesis around (7 + 9x)
7 + 9x + -1(7x + -5) = 0

Reorder the terms:
7 + 9x + -1(-5 + 7x) = 0
7 + 9x + (-5 * -1 + 7x * -1) = 0
7 + 9x + (5 + -7x) = 0

Reorder the terms:
7 + 5 + 9x + -7x = 0

Combine like terms: 7 + 5 = 12
12 + 9x + -7x = 0

Combine like terms: 9x + -7x = 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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