Answer:


Step-by-step explanation:
1) y + 4 + 3(y + 2)
Expand:-

Combine like terms:-


__
2) 0.5(x⁴ - 3) + 12
Expand:-

Add/Subtract Numbers:-

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Answer:
the answer is 112
Step-by-step explanation:
901-789=112
Divide 4 by 1/10.
So, 4 ÷ 1/10 becomes 4 x 10/1.
We know that 4 x 10/1 = 40/1 = 40.
Did you follow?
Answer:
1st Blank: 5
2nd Blank: 3
3rd Blank: -8
4th Blank: -8
5th Blank: 12
Step-by-step explanation:
15x+35y=-100
-15x+9y=-252
___________
44y=-352
___ ___
44 44
y=-8
3x+7(-8)=-20
3x-56=-20
+56 +56
__________
3x=36
__ __
3 3
x=12