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340=10-10(7x+2)
We move all terms to the left:
340-(10-10(7x+2))=0
We calculate terms in parentheses: -(10-10(7x+2)), so:We get rid of parentheses
10-10(7x+2)
determiningTheFunctionDomain -10(7x+2)+10
We multiply parentheses
-70x-20+10
We add all the numbers together, and all the variables
-70x-10
Back to the equation:
-(-70x-10)
70x+10+340=0
We add all the numbers together, and all the variables
70x+350=0
We move all terms containing x to the left, all other terms to the right
70x=-350
x=-350/70
x=-5
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