Question

10x-5y=-20
7x-5y=-26
find the solutions

Answer 1

use substitution method :)

Answer 2

since it only 2 equations and 2 variables

Answer 3

okaii subsitiuion method???

Answer 4

10x-5y=-20
7x-5y=-26

1st solve for y in eq 1

-5y=-20 -10x
y=4+2x

now you plug in 4+2x into eq 2

7x-5(4+2x )=-26 solve for x. once you solve for x. x will be x=n and you use that number to plug back into x and solve for y

Answer 5

ummmmmmmmm examlpe???

Answer 6

just stack the two on top of each other and you want to cancel either an x or y and then go from there

Answer 7

o okaii

Answer 8

mhm its pretty simple youll see i love these types of problems :) its called elimination

Answer 9

ughh really??? u too ??

Answer 10

wait wut

Answer 11

substitution takes longer i like elimantion you cross out and plug back in super simple

Answer 12

substitution is good for these problems

Answer 13

eliminatiion is betteerrrr

Answer 14

not wat i meant but thanks

Answer 15

okie dokie