Question

solve:
4(a+2)-2a=10+3(a-3)

Answer 1

Can you distribute 4 to the brackets on left hand side??

Answer 2

4a+8-2a

Answer 3

Yep good..

Now :

4a - 2a = ??

Answer 4

2a

Answer 5

Yep so what are you left with on left hand side now ??

Answer 6

..ummm do i start in the ()?

Answer 7

a-3 = -3a?

Answer 8

No you are simply left with 2a + 8 now on left hand side..

Now solve for Right hand side:

Distribute 3 to the brackets..

Answer 9

Multiply a with 3 and then multiply a with -3 and tell me what did you get ??

Answer 10

. 10+3a-9?

Answer 11

Yep :

10 - 9 = ??

Answer 12

...1+3a

Answer 13

Yep:

So finally you have got :

2a + 8 = 1 + 3a


Now subtract 2a from both the sides..

Answer 14

..8=1+1a
do i sub. 8 by 1 ...1 by 8? which ever?

Answer 15

a=7

Answer 16

Yes good..

You are right...

Well Done..

Answer 17

thanks you

Answer 18

Welcome dear..

Answer 19

Can you do one thing here that will help you to verify your answer if it is correct or not ??

Answer 20

4(a+2)-2a=10+3(a-3)
4a+4*2-2a=10+3(a-3)
4a+8-2a=10+3(a-3)
4a-2a+8=10+3(a-3)
2a+8=10+3(a-3)
2a+8=10+3a-3*3
2a+8=10+3a-9
2a+8=3a+10-9
2a+8=3a+1
2a=3a+1-8
2a=3a-7
2a-3a=-7
-a=-7
a=7

check the answer:
4(a+2)-2a=10+3(a-3)
4(7+2)-2*7=10+3(7-3)
4(9)-14=10+3(4)
36-14=10+12
22=22 (CORRECT)