Question

3a + 4b - 2a +3 - 7​

Answer 1

1a+4b-4

or

a+4b-4

Explanation:

3a-2a= 1a or just a

4b=4b

-7+3= -4

1a+4b-4

or

a+4b-4

Answer 2

a + 4b - 4

Explanation:

Step 1: Write out expression

3a + 4b - 2a + 3 - 7

Step 2: Combine like terms (a)

a + 4b + 3 - 7

Step 3: Combine like terms (constants)

a + 4b - 4