Question

1. x + 4 = 9
2. x - 2 = 10
3. 4x = 28
4. 2 + 5 + a = 8
5. y ( 5 - 6 ) = - 2
6. 15a + 5 - 15 = 20a
7. x - ( 2 + 3) = 7
8. 6x ( 2 + 3 ) = 120
9. b ( 1 + 1 ) = 8
10. 6a + 2 + 8 = 40​

Answer 1

1. x= 5
2. x = 12
3. x= 7
4. a = 1
5. y= 2
6. a=2
7. x=12
8. x=40
9. b=4
10. a=5

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Answer 2

Answer:

1) x+4 =9

x=9-4

x=5

2) x-2=10

x=10+2

x=12

3) 4x=28

x=28/4

x=7

4)2+5+a =8

7+a=8

a=1

5) y(5-6) =-2

5y -6y =-2

-1y =-2

y=-1/-2

y=1/2