9=7+3(7q+2)

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Solution for 9=7+3(7q+2) equation:


Simplifying
9 = 7 + 3(7q + 2)

Reorder the terms:
9 = 7 + 3(2 + 7q)
9 = 7 + (2 * 3 + 7q * 3)
9 = 7 + (6 + 21q)

Combine like terms: 7 + 6 = 13
9 = 13 + 21q

Solving
9 = 13 + 21q

Solving for variable 'q'.

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

Add '-21q' to each side of the equation.
9 + -21q = 13 + 21q + -21q

Combine like terms: 21q + -21q = 0
9 + -21q = 13 + 0
9 + -21q = 13

Add '-9' to each side of the equation.
9 + -9 + -21q = 13 + -9

Combine like terms: 9 + -9 = 0
0 + -21q = 13 + -9
-21q = 13 + -9

Combine like terms: 13 + -9 = 4
-21q = 4

Divide each side by '-21'.
q = -0.1904761905

Simplifying
q = -0.1904761905

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