15=(q+4)+3

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Solution for 15=(q+4)+3 equation:


Simplifying
15 = (q + 4) + 3

Reorder the terms:
15 = (4 + q) + 3

Remove parenthesis around (4 + q)
15 = 4 + q + 3

Reorder the terms:
15 = 4 + 3 + q

Combine like terms: 4 + 3 = 7
15 = 7 + q

Solving
15 = 7 + q

Solving for variable 'q'.

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

Add '-1q' to each side of the equation.
15 + -1q = 7 + q + -1q

Combine like terms: q + -1q = 0
15 + -1q = 7 + 0
15 + -1q = 7

Add '-15' to each side of the equation.
15 + -15 + -1q = 7 + -15

Combine like terms: 15 + -15 = 0
0 + -1q = 7 + -15
-1q = 7 + -15

Combine like terms: 7 + -15 = -8
-1q = -8

Divide each side by '-1'.
q = 8

Simplifying
q = 8

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