4q-(8q+9)=7-(12q-9)

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Solution for 4q-(8q+9)=7-(12q-9) equation:


Simplifying
4q + -1(8q + 9) = 7 + -1(12q + -9)

Reorder the terms:
4q + -1(9 + 8q) = 7 + -1(12q + -9)
4q + (9 * -1 + 8q * -1) = 7 + -1(12q + -9)
4q + (-9 + -8q) = 7 + -1(12q + -9)

Reorder the terms:
-9 + 4q + -8q = 7 + -1(12q + -9)

Combine like terms: 4q + -8q = -4q
-9 + -4q = 7 + -1(12q + -9)

Reorder the terms:
-9 + -4q = 7 + -1(-9 + 12q)
-9 + -4q = 7 + (-9 * -1 + 12q * -1)
-9 + -4q = 7 + (9 + -12q)

Combine like terms: 7 + 9 = 16
-9 + -4q = 16 + -12q

Solving
-9 + -4q = 16 + -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.
-9 + -4q + 12q = 16 + -12q + 12q

Combine like terms: -4q + 12q = 8q
-9 + 8q = 16 + -12q + 12q

Combine like terms: -12q + 12q = 0
-9 + 8q = 16 + 0
-9 + 8q = 16

Add '9' to each side of the equation.
-9 + 9 + 8q = 16 + 9

Combine like terms: -9 + 9 = 0
0 + 8q = 16 + 9
8q = 16 + 9

Combine like terms: 16 + 9 = 25
8q = 25

Divide each side by '8'.
q = 3.125

Simplifying
q = 3.125

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