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

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


Simplifying
(9x + 3) + -1(5x + -7) = 0

Reorder the terms:
(3 + 9x) + -1(5x + -7) = 0

Remove parenthesis around (3 + 9x)
3 + 9x + -1(5x + -7) = 0

Reorder the terms:
3 + 9x + -1(-7 + 5x) = 0
3 + 9x + (-7 * -1 + 5x * -1) = 0
3 + 9x + (7 + -5x) = 0

Reorder the terms:
3 + 7 + 9x + -5x = 0

Combine like terms: 3 + 7 = 10
10 + 9x + -5x = 0

Combine like terms: 9x + -5x = 4x
10 + 4x = 0

Solving
10 + 4x = 0

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 4x = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 4x = 0 + -10
4x = 0 + -10

Combine like terms: 0 + -10 = -10
4x = -10

Divide each side by '4'.
x = -2.5

Simplifying
x = -2.5

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