First step: (simplify) y+9+7y+63, Second step: (combine) 8y+72
Second line on the right side of the equation it should be 2x(-13)
so then 8x - 24 + 7 = -26x
8x - 17 = -26x
then in hers she added the 8 to 26 when she should have subtracted it
it should be -17 = -34x
so 17 = 34x
1/2 = x
Answer:
G. 7.5
Step-by-step explanation:
if EC is 15 which is greater than FC then FC should be 7.5
Answer: 541.1
Step-by-step explanation:
multiply each set of parenthesis and add the two answers