1. ( x +7) = 10
x = 10-7
x = 3
2. (x-4)= 2
x = 2 + 4
x = 6
3. (x-10) = 12
x = 12+10
x = 22
4. 4(x -2)= 20
x -2= 20/4
x = 5+2
x = 7
5. x +6 /3 = 4
x = 4× 3 -6
6. 5(x+1)-2= 3
x = 3+2/5
x = 1 -1
x = 0
7. 2(x-2)+3= 12-3
x = 12-3-3+2/2
x = 8/2
x= 4
8. 2(x+1) -4 = 28÷ 7
2(x + 1) -4= 4
(x+1) = 4+4/2
(x+1) = 8/2
x = 4-1
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Verified answer
1. ( x +7) = 10
x = 10-7
x = 3
2. (x-4)= 2
x = 2 + 4
x = 6
3. (x-10) = 12
x = 12+10
x = 22
4. 4(x -2)= 20
x -2= 20/4
x = 5+2
x = 7
5. x +6 /3 = 4
x = 4× 3 -6
x = 6
6. 5(x+1)-2= 3
x = 3+2/5
x = 1 -1
x = 0
7. 2(x-2)+3= 12-3
x = 12-3-3+2/2
x = 8/2
x= 4
8. 2(x+1) -4 = 28÷ 7
2(x + 1) -4= 4
(x+1) = 4+4/2
(x+1) = 8/2
x = 4-1
x = 3