What is the value of 4a - 2b when a is 7 and b is 4?

Answer :

Answer:

4a-2b

=4(7)+2(4)

=28+8

=36

Answer:

[tex]4a - 2b \\ a = 7 \\ b = 4 \\ \\ so \: 4 \times 7 - 2 \times 4 \\ = 28 - 8 \\ = 20 \\ thank \: you[/tex]