15-t + 8t = -13
15 + 7t = -13
7t = -13-15
7t = -28
t = -4
4a + 11-a = 2
3a = 2-11
3a = -9
a = -3
A - 7 + 3 = 0
a -4 = 0
a = 4
Answer is C
2^2(-9 + 4)
First step: solve the brackets.
2^2(-5)
Second step: solve the exponent.
4(-5)
Final step: multiply.
-20
PS: Could you please mark as brainliest? Thanks!
a. 7x + 52 (2x + 5x) (40 + 12)
b. 13x + 142 (2x+5x+6x) (40 + 12 - 10)
c. 246 (16 + 40 + 40 + 100 + 12 + 48 - 10)
X= amount of orange juice in the beginning
3/4=(3/8)X
.75=.375X
.75/.375=X
X=2
there were 2 liters in the beginning
