Question

Answer "then" explanition after or together
Will Fan and Metal :D

Two equations are given below:

a − 3b = 4
a = b − 2

What is the solution to the set of equations in the form (a, b)?

(−2, −2)
(−3, −1)
(−9, −7)
(−5, −3)

Answer 1

rewrite the first equation
a = 4 + 3b

then we have two equations
a = 4 + 3b
a = b - 2

4 + 3b = b - 2
solve for b

Answer 2

Sorry I dobt understand

Answer 3

dont~

Answer 4

4 + 3b = b - 2

what is b?

Answer 5

B= -3

Answer 6

So is the answer B?

Answer 7

no, B is not the answer

we know that b = -3
a = b - 2 = ?

Answer 8

I dont know

Answer 9

b = -3
a = b - 2 = ?

Answer 10

replace "b" with "-3" and find a

Answer 11

ok

Answer 12

A= -5

Answer 13

The answer is D

Answer 14

right

Answer 15

thank you I fanned and gave you the metal