Answer:
a = -10
Step-by-step 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

★ <u>Option (A) y = -5x</u> is the right answer.
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I hope this helps! :)</h3>
Answer:
-7/15
Step-by-step explanation:
get red of the addition and subtract the two fractions
Answer:
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