Question

What is the solution to the equation?

a + (–0.4) = –3

a =

Answer 1

@igreen

Answer 2

after this one i have 3 more

Answer 3

a + (-0.4) = -3 is the same thing as a - 0.4 = -3

0.4 is being subtracted from 'a', so to get rid of it we do the opposite. What's the opposite of subtraction?

Answer 4

addition

Answer 5

Right, so we add 0.4 to both sides.

Answer 6

0.4+(-3)

Answer 7

Yep, you got it!

Answer 8

ok thanks again i have 3 more if thats ok?

Answer 9

Yep, sure.

Answer 10

ok one sec i need to solve this one

Answer 11

just to make sure is it, -2.6?

Answer 12

Yep!

Answer 13

ok

Answer 14

lemme make another one ill go ahead and close this one