-188=-4(5+6r)-4r

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Solution for -188=-4(5+6r)-4r equation:



-188=-4(5+6r)-4r
We move all terms to the left:
-188-(-4(5+6r)-4r)=0
We add all the numbers together, and all the variables
-(-4(6r+5)-4r)-188=0
We calculate terms in parentheses: -(-4(6r+5)-4r), so:
-4(6r+5)-4r
We add all the numbers together, and all the variables
-4r-4(6r+5)
We multiply parentheses
-4r-24r-20
We add all the numbers together, and all the variables
-28r-20
Back to the equation:
-(-28r-20)
We get rid of parentheses
28r+20-188=0
We add all the numbers together, and all the variables
28r-168=0
We move all terms containing r to the left, all other terms to the right
28r=168
r=168/28
r=6

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