Question

1. Solve 3x - x + 2 = 12.

A. -5
B. 4
C. 7
D. 5

2. Solve 2(x + 1) + 4 = 8.

A. 1
B. 6.5
C. 4
D. 3

3. Solve for Y/-4 + 5 = 15

A. 80
B. -80
C. 40
D. -40

Answer 1

2x+2=12
2x=12-2
2x=10
x=5

Answer 2

3x - x + 2 = 12.
i.e. 2x=12-2
i.e. 2x= 10
i.e. x=10/2
i.e. x=5

Answer 3

2x+2+4=8
2x+6=8
2x=8-6
2x=2
x=1

Answer 4

Im not really sure about number 3 i suck at fractions.

Answer 5

is dis the question first tell me