3 years ago

What is the solution to the algebraic equation 7 less than 4 times a number is 21

Mathematics

2 answers:

Natalija [7]3 years ago

6 0

Answer:

4x-7=21

4x=28

x=7

olya-2409 [2.1K]3 years ago

4 0

21=4x-7
(add 7 to both sides)
28=4x
(divide both sides by 4)
7=x

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