Hello Syndy393, Which expression is equivalent to 18a+12b+9a+24b,
<span>27a+36b, Because 18a+9a=27a 12b+24b=36b,so the correct answer is 27a+36b.</span>
<span />
Answer:
=(-1,-5)
Step-by-step explanation:
y=X1=4
y=-2x-5-2
The answer is optional d.
Answer:
1. x = 17
Step-by-step explanation:
4x - 9 + 5x + 2 + 2x = 180
11x - 7 =180
11x = 180 + 7
x = 187 / 11
x = 17
Answer:
Step-by-step explanation: