Question

2x-y=5
9x-4y=23
use method of substitution

Answer 1

solve out for either x or y in one of the equations then sub it in for the other equation

Answer 2

first choose which equation you want to work with
2x-y=5 < -----
9x-4y=23 < ----

Answer 3

2x-y=5

Answer 4

ok
next step
what variable to want to solve the equation for
x
or
y

Answer 5

y

Answer 6

ok
next
if you you solve the equation for y
what will it look like?

Answer 7

5=2x-y??

Answer 8

if you are solving for y
y is supposed to be
isolated = by itself

Answer 9

ok. how would that be written?

Answer 10

to solve equations you know that any operations performed one side of the equals sign must be performed on the other side right?

Answer 11

so
how do i get rid of this
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v
2x-y=5