Sry I know my handwriting suck and also I accidently did them in the opposite order as listed but I hope this helps
answers:
20) R=-8
22) R=-2
24) X=6
Answer:
ugh man do I hate iready!!
225/4=56.25
square root of 225 equals 15
225 / 2 equals 112.5
3.0 NOT SURE IF ITS CORRECT
Answer:
5.
x + 2(x + 1) = 8 --> x = 2
y = 2 + 1 = 3
7.
3(9 + 2y) + 5y = 20 --> y = -7/11
x = 9 + 2(-7/11) = 85/11
9.
3(-1 - 2y) + 5y = -1 --> y = -2
x = -1 - 2(-2) = 3