Question

if 3a - 7 = - 4a, then a equals​

Answer 1

Answer:

1

Step-by-step explanation:

3a-7 =-4a

-7= -4a-3a

-7=-7a

1=a

Answer 2

Answer:

a=1

Step-by-step explanation:

$3a - 7 = - 4a \\ 3a + 4a = 7 \\7a = 7 \\ a = \frac{7}{7} = 1$

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