1.
Solve 7
y
+ 48 =
y
.
A.
8
B.
55
C.
-55
D.
-8
Hint
2.
Solve
y
- 5 = -1 +
y
.
A.
-16
B.
8
C.
16
D.
-8
Hint
3.
Solve 75 - 9
h
= -20 + 10
h
.
A.
-55
B.
55
C.
-5
D.
5
Hint
4.
Write an equation to find the value of
x
so that each pair of polygons has the same perimeter. Then solve.
A.
4
x
+ 8 = 3
x
+ 9; 3
B.
4
x
+ 9 = 3
x
+ 8; -1
C.
2
x
+ 4 = 3
x
+ 9; 5
D.
4
x
+ 8 = 3
x
+ 9; 1
Hint
5.
Write an equation to find the value of
x
so that each pair of polygons has the same area. Then solve.
A.
12
x
+ 36 = 10
x
- 6; 21
B.
6
x
+ 18 = 10
x
- 2; 5
C.
6
x
+ 18 = 10
x
- 6; 6
D.
6
x
+ 18 = 10
x
+ 6; 6
Hint