Answer:
-10b2+4b+2
Step-by-step explanation:
4 is 5
Hope it's right :))
y= -1; x=5
Replace the x in the first equation with x=1-4y
2(1-4y)+7y=3
2-8y+7y=3
-y=1
y= -1
x=1-4(-1))
x=5
Hope this helps
