21+6(3q+10)-3(7-q)=

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Solution for 21+6(3q+10)-3(7-q)= equation:


Simplifying
21 + 6(3q + 10) + -3(7 + -1q) = 0

Reorder the terms:
21 + 6(10 + 3q) + -3(7 + -1q) = 0
21 + (10 * 6 + 3q * 6) + -3(7 + -1q) = 0
21 + (60 + 18q) + -3(7 + -1q) = 0
21 + 60 + 18q + (7 * -3 + -1q * -3) = 0
21 + 60 + 18q + (-21 + 3q) = 0

Reorder the terms:
21 + 60 + -21 + 18q + 3q = 0

Combine like terms: 21 + 60 = 81
81 + -21 + 18q + 3q = 0

Combine like terms: 81 + -21 = 60
60 + 18q + 3q = 0

Combine like terms: 18q + 3q = 21q
60 + 21q = 0

Solving
60 + 21q = 0

Solving for variable 'q'.

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

Add '-60' to each side of the equation.
60 + -60 + 21q = 0 + -60

Combine like terms: 60 + -60 = 0
0 + 21q = 0 + -60
21q = 0 + -60

Combine like terms: 0 + -60 = -60
21q = -60

Divide each side by '21'.
q = -2.857142857

Simplifying
q = -2.857142857

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