Question

irrelevant answers will be report​

Answer 1

3. 2(a+17)=51

4. 12/n= 2

12= 2n

n= 12/2= 6

5. 7x+2=5x

7x-5x=-2

2x=-2

x= -2/2= -1

Answer 2

3. a(2a+17=51)

4.a(24)

5.a(1)