# How do you solve #x = 4y# and #2x + 3y = 44# using substitution?

##### 2 Answers

Jun 1, 2018

You have

...now that you know that y = 4, you can plug this in to either equation and solve for x.

CHECK YOUR WORK. Feed these values into each equation to verify that they are actually solutions.

GOOD LUCK

Jun 1, 2018

#### Explanation:

#x=4yto(1)#

#2x+3y=44to(2)#

#color(blue)"substitute "x=4y" into equation "(2)#

#2(4y)+3y=44#

#8y+3y=44#

#11y=44rArry=44/11=4#

#"substitute "y=4" into equation "(1)#

#x=4xx4=16#

#"point of intersection "=(16,4)#