Question

1. a + 3=4
2. x + 2 + 6 = 2x
3. 2( x + 5) = 20
4. 3(5x +4) = 2(x - 6)
5. 4x + 4x = 8 + 8
6. 90 + 0 + 30 = 20x
7. -(5 + 6x) = 25​

Answer 1

Step-by-step explanation:

i attached a solution for ur reference

Answer 2

Answer:

I hope it helps you.

Step-by-step explanation:

1. a+3 = 4

a = 4-3

a = 1 ans.

2. X+2+6 = 2x

X+8 = 2x

2x-x = 8

X = 8 ans.

3. 2x+10 = 20

2x = 20-10

2x = 10

X =10 ans.

4. 15x+12 = 2x-12

15x-2x = -12-12

13x = -24

X =-24/13 ans.

The any part are same as it is.