Question

3x+3y= 27
x-3y= -11
what is x and y???

Answer 1

x=4,y=5

Explanation:

3x+3y=27

x-3y=-11 (3y and -3y cancel each other out)

4x=16

x=4

4-3y=-11 (plug 4 into the x-value of an priginal equation)

-3y=-15

y=5