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-1.9=(-0.1q+4.9)
We move all terms to the left:
-1.9-((-0.1q+4.9))=0
We calculate terms in parentheses: -((-0.1q+4.9)), so:We get rid of parentheses
(-0.1q+4.9)
We get rid of parentheses
-0.1q+4.9
Back to the equation:
-(-0.1q+4.9)
0.1q-4.9-1.9=0
We add all the numbers together, and all the variables
0.1q-6.8=0
We move all terms containing q to the left, all other terms to the right
0.1q=6.8
q=6.8/0.1
q=68+-8.8817841970013E-16/0.1
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