Question

Select the choice below that could be the first step in solving the following system of equations using substitution:
-x + 4y − 9 = 0
3x − 5y = 10
Select one:
a. Replace the right side of the second equation with the first equation
b. Multiply the first equation by 3
c. Multiply the second equation by 4
d. Write the first equation in terms of x

Answer 1

@iambatman any help brah? :)

Answer 2

can't it be b) @perl

Answer 3

no, that would be used in elimination (when you want to eliminate the x )

Answer 4

oh sorry i didn't read it says 'substitution'

Answer 5

my bad

Answer 6

yea its d)

Answer 7

thanks guys :)

Answer 8

np :)