6+9r+8q-2r-3q-13=

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Solution for 6+9r+8q-2r-3q-13= equation: 


Simplifying
6 + 9r + 8q + -2r + -3q + -13 = 0

Reorder the terms:
6 + -13 + 8q + -3q + 9r + -2r = 0

Combine like terms: 6 + -13 = -7
-7 + 8q + -3q + 9r + -2r = 0

Combine like terms: 8q + -3q = 5q
-7 + 5q + 9r + -2r = 0

Combine like terms: 9r + -2r = 7r
-7 + 5q + 7r = 0

Solving
-7 + 5q + 7r = 0

Solving for variable 'q'.

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

Add '7' to each side of the equation.
-7 + 5q + 7 + 7r = 0 + 7

Reorder the terms:
-7 + 7 + 5q + 7r = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 5q + 7r = 0 + 7
5q + 7r = 0 + 7

Combine like terms: 0 + 7 = 7
5q + 7r = 7

Add '-7r' to each side of the equation.
5q + 7r + -7r = 7 + -7r

Combine like terms: 7r + -7r = 0
5q + 0 = 7 + -7r
5q = 7 + -7r

Divide each side by '5'.
q = 1.4 + -1.4r

Simplifying
q = 1.4 + -1.4r

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