|2r + 9| = 5
So 2r + 9 = 5 or 2r + 9 = -5
so that 2r = -4 or 2r = -14
r = -2 or r = -7
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5 + 5 = 10
No. It equals 15.
-2 plus 5 equals +3
59
1)5r+7=13+2r+3r 2)5r+7=13+5r 3)5r's cancel 7=13 4)Subtract thirteen on both sides 7 =13 -13 -13 5)Answer is no solution because -6 doesn't equal to 0. -6=0 NO SOLUTION!!! Have fun with math!