7[3q+14]-31=76-6[2q+7]

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Solution for 7[3q+14]-31=76-6[2q+7] equation:


Simplifying
7[3q + 14] + -31 = 76 + -6[2q + 7]

Reorder the terms:
7[14 + 3q] + -31 = 76 + -6[2q + 7]
[14 * 7 + 3q * 7] + -31 = 76 + -6[2q + 7]
[98 + 21q] + -31 = 76 + -6[2q + 7]

Reorder the terms:
98 + -31 + 21q = 76 + -6[2q + 7]

Combine like terms: 98 + -31 = 67
67 + 21q = 76 + -6[2q + 7]

Reorder the terms:
67 + 21q = 76 + -6[7 + 2q]
67 + 21q = 76 + [7 * -6 + 2q * -6]
67 + 21q = 76 + [-42 + -12q]

Combine like terms: 76 + -42 = 34
67 + 21q = 34 + -12q

Solving
67 + 21q = 34 + -12q

Solving for variable 'q'.

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

Add '12q' to each side of the equation.
67 + 21q + 12q = 34 + -12q + 12q

Combine like terms: 21q + 12q = 33q
67 + 33q = 34 + -12q + 12q

Combine like terms: -12q + 12q = 0
67 + 33q = 34 + 0
67 + 33q = 34

Add '-67' to each side of the equation.
67 + -67 + 33q = 34 + -67

Combine like terms: 67 + -67 = 0
0 + 33q = 34 + -67
33q = 34 + -67

Combine like terms: 34 + -67 = -33
33q = -33

Divide each side by '33'.
q = -1

Simplifying
q = -1

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