Answer:
81x+2
Step-by-step explanation:
2x+x=3x
3×3×3×3=81x
Answer:
-1
Step-by-step explanation:
2y+6=1 -3y
add three to both sides and minus 6 from both sides becasue you want to get y by itself
5y=-5
now both sides by 5
y=-1
Answer:
1 out of 2
2 out of 6
1 out of 2
5 out of 6
Step-by-step explanation:
You can find 84 two different ways by dividing by 2,3,4.
84÷2=42
84÷3=28
84÷4=21
Answer:
use elimination
8x-3y=2
-8x-5y=46
8x cancel out
-5y-3y= -8y= 48
48/-8= -6y
Step-by-step explanation:
ANSWER= -6y