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

User Masaki
by
4.6k points

2 Answers

6 votes

Answer:


4a - 2b \\ a = 7 \\ b = 4 \\ \\ so \: 4 * 7 - 2 * 4 \\ = 28 - 8 \\ = 20 \\ thank \: you

User Bertrand Delacretaz
by
4.4k points
9 votes

Answer:

4a-2b

=4(7)+2(4)

=28+8

=36

User Aerijman
by
4.4k points
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