Answer:
I believe (D)
Step-by-step explanation:
-5x + 7 = -13
-7 -7
-5x = -20
-5/-5 -20÷-5
x=4
Answer:
A.6:8
B.8:14
Step-by-step explanation:
0.9x12=10.8,, 10.8-6.3=4.5. The number is 12
Answer:
28∛3+72
Step-by-step explanation:
distribute: 28∛3+24∛3∛9 - be careful, ∛9 is not equal to 3! You are looking for three "copies" of a number since it is a ∛ not √.
28∛3+24∛(3*9)=28∛3+24*3 = 28∛3+72
Answer:
c=4
Step-by-step explanation:
-5c - 15 = -35
Add 15 to each side
-5c - 15+15 = -35+15
-5c = -20
Divide each side by -5
-5c/-5 = -20/-5
c = 4
