Question

Simplify the following
1.a +a+a+a
2. 2p + 3q - p
3. 4b + 5a - 3a + 2a
4. d + 5b - 4d

Please it is very urgent
and also with calculation.

Answer 1

Answer:

Step-by-step explanation:

1. a+a+a+a=4a

2. 2p+3q-p=+p+3q

3. 4b+5a-3a+2a=4b+5a

4. d+5b-4d=+5b-3d

Answer 2

Please check the attachment