3q-7=7q-31

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Solution for 3q-7=7q-31 equation:


Simplifying
3q + -7 = 7q + -31

Reorder the terms:
-7 + 3q = 7q + -31

Reorder the terms:
-7 + 3q = -31 + 7q

Solving
-7 + 3q = -31 + 7q

Solving for variable 'q'.

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

Add '-7q' to each side of the equation.
-7 + 3q + -7q = -31 + 7q + -7q

Combine like terms: 3q + -7q = -4q
-7 + -4q = -31 + 7q + -7q

Combine like terms: 7q + -7q = 0
-7 + -4q = -31 + 0
-7 + -4q = -31

Add '7' to each side of the equation.
-7 + 7 + -4q = -31 + 7

Combine like terms: -7 + 7 = 0
0 + -4q = -31 + 7
-4q = -31 + 7

Combine like terms: -31 + 7 = -24
-4q = -24

Divide each side by '-4'.
q = 6

Simplifying
q = 6

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