the answer is 11. b = 11
b is unknown value. We need to find out what is "b" to make the statement true.
write the given statement 3b + 15 = 48
Subtract 15 from both sides 3b + 15 -15 = 48 - 15
3b = 33
Divide both sides by 3 3b/3 = 33/3
b = 11
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18y+48+5y+15 = 270 18y+5y = 270-48-15 23y = 207 y = 9
144
77
-48
64 plus 18 plus 42 plus 48 plus 37 = 209