(7x-9)-3(2x+1)=-5

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Solution for (7x-9)-3(2x+1)=-5 equation:


Simplifying
(7x + -9) + -3(2x + 1) = -5

Reorder the terms:
(-9 + 7x) + -3(2x + 1) = -5

Remove parenthesis around (-9 + 7x)
-9 + 7x + -3(2x + 1) = -5

Reorder the terms:
-9 + 7x + -3(1 + 2x) = -5
-9 + 7x + (1 * -3 + 2x * -3) = -5
-9 + 7x + (-3 + -6x) = -5

Reorder the terms:
-9 + -3 + 7x + -6x = -5

Combine like terms: -9 + -3 = -12
-12 + 7x + -6x = -5

Combine like terms: 7x + -6x = 1x
-12 + 1x = -5

Solving
-12 + 1x = -5

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 + 1x = -5 + 12

Combine like terms: -12 + 12 = 0
0 + 1x = -5 + 12
1x = -5 + 12

Combine like terms: -5 + 12 = 7
1x = 7

Divide each side by '1'.
x = 7

Simplifying
x = 7

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