Combine like terms.
11.70 + 2*3.90 + d = 21.08 + 2.00
11.70 + 7.8 + d = 23.08
19.5 + d = 23.08
Subtract 19.5 from both sides.
d = 3.58
11.70 + 2*3.90 + d = 21.08 + 2.00
how do I find out d?
2 answers
11.70 + 7.80 + d = 23.08
d = 23.08 - 7.80 - 11.70
d = 3.58
d = 23.08 - 7.80 - 11.70
d = 3.58