answersLogoWhite

0

We are given that a + b = -7

and b = 10

Therefore a +10 = =7

Subtract 10 from each side

So a + 10 - 10 = -7 + 10

Which simplifiesn to a = 10 - 7

So a = 3

User Avatar

Wiki User

13y ago

What else can I help you with?