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q/2-2q=40
We move all terms to the left:
q/2-2q-(40)=0
We add all the numbers together, and all the variables
-2q+q/2-40=0
We multiply all the terms by the denominator
-2q*2+q-40*2=0
We add all the numbers together, and all the variables
q-2q*2-80=0
Wy multiply elements
q-4q-80=0
We add all the numbers together, and all the variables
-3q-80=0
We move all terms containing q to the left, all other terms to the right
-3q=80
q=80/-3
q=-26+2/3
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