SOLUTION: Help!! Son is taking algebra but mom is rusty and can't help much. Please help solve 2(4

SOLUTION: Help!! Son is taking algebra but mom is rusty and can't help much. Please help solve 2(4 - 2r) = -2(r + 5)

Question 98832This question is from textbook Prentice Hall Algebra I
: Help!!
Son is taking algebra but mom is rusty and can't help much. Please help solve
2(4 - 2r) = -2(r + 5) This question is from textbook Prentice Hall Algebra I

Answer by elima(1433) (Show Source): You can put this solution on YOUR website!
2(4 - 2r) = -2(r + 5)
First distribute 2 on both sides;
8-4r=-2r-10
Now subtract 8 and add 2r to each side;
8-4r-8+2r=-2r-10-8+2r
that cancels out the 8 on the right side and 2r on the left, now we have r on one side;
-4r+2r=-10-8
-2r=-18
divide -2 on both sides;
=
r=9
:)
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