Question

Use the Substitution Method to solve the following system of equations.
x - 4y = 1
2x - 9y = 3

A. (-1, -3)
B. (-3, 1)
C. (3, 1)
D. (-3, -1)

Answer 1

@kshorf

Answer 2

ok 1 sec

Answer 3

Ok Np

Answer 4

the answer is d

Answer 5

Thank you so much

Answer 6

can u help me with another?

Answer 7

ur welcome

Answer 8

yes.im still kinda new im only 16:P

Answer 9

lol

What is the value of the x variable in the solution to the following system of equations?
7x - 2y = 21
4x + y = 57

21

-21

9

-9

Answer 10

are u very smart?

Answer 11

umm i would say im am:P lol. but i am in summer school so i guess kinda sorta:P

Answer 12

for this one i got 21 but idk

Answer 13

the answer is 9

Answer 14

o ok i had trouble figuring this 1 out. forgot how to do it.

Answer 15

so the answer is 9?

Answer 16

i guess so:P

Answer 17

yes

Answer 18

x is equal 9 and y is equal 21

Answer 19

7(9)-2(21)equal 21 it would give you 63-42 that is 21 so yes x is equal 9

Answer 20

you can check

Answer 21

thank you so much

Answer 22

if u dont mind me asking wat grade math is this?

Answer 23

this is 11th

Answer 24

your welcome