5+3x=4x
only when
x=5
The two expression are only equal at x=5
Answer:
36
Step-by-step explanation:
3x12=36
12+12=24
add 12 to 24 and it equals 36.
Answer:
Step-by-step explanation:
7 songs at $1.99 each= 13.93
30-13.93= 16.07
16.07 + 10= 26.07
4 songs for $7.99= 31.96
26.07- 31.96= -5.89
so his pay check was $5.89
Bottom rectangle = 10*7 = 70
Top rectangle = 8*7 = 56
Side rectangle = 6*7 = 42
Side triangle = (1/2)*8*6 = 24
Side triangle = (1/2)*8*6 = 24
--------------------------------------------------
Total surface area = 70+56+42+24+24 = 216
