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-0.4a + 3 = 7 a = plz help
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3 votes
-0.4a + 3 = 7
a =
plz help

User Shubhangi Singh
by
6.8k points

1 Answer

4 votes

Answer:

a = -10

Explanation:

-0.4a + 3 = 7

subtract 3 from each side

-0.4a + 3-3 = 7-3

-.4a = 4

Divide each side by -.4

-.4a/ -.4 = 4/-.4

a = - 10

User Brian Clozel
by
6.8k points
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