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-7a - 10 = 20 -3a

-7a + 3a= 20 + 10

-4a=30

divide by negative 4

a=-7.5

-7x-7.5=52.5-10=42.5

-3x-7.5=22.5

20+22.5=42.5

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Q: What is -7a - 10 equals 20 - 3a?
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