Question

For the following system, if you isolated x in the second equation to use the Substitution Method, what expression would you substitute into the first equation?

3x + y = 8
−x − y = −7

−y + 7

−y − 7

y + 7

y − 7

Answer 1

-x-y=-7
-x=-7+y
x=-y+7

Answer 2

So what do u think is the answer?

Answer 3

wow u r amazing thx love u (as a frnd)! @sauravshakya

Answer 4

can u ans more questions?

Answer 5

cause i m the worst at math

Answer 6

I cant....... but I will surley teach u

Answer 7

k thx @sauravshakya i love u :)

Answer 8

Opps...... Luv u @tej18

Answer 9

whats ur name?