Answer:
-2p - 1
Step-by-step explanation:
Answer:X=31
Step-by-step explanation: Have a brilliant day! - Lily ^_^
Answer:
X=1.5
Y= -0.5
Step-by-step explanation:
3X+Y=4
Y=4-3X
5X-7Y=11
5X-7(4-3x)=11
5X-28+21X=11
26X=11+28
26X=39
X=1.5
Y=4-3(1.5)
Y=4-4.5=(-0.5)