Question

y= 2x
x+y=12
What is this answer? How do you solve it?

Answer 1

X+2x=12

3x=12
X=12/3
X=4

Y=2*4 =8

Answer 2

Answer:

y=2(1)

x+y=12

y=12-x

y=12-1

y=11

Step-by-step explanation:

y=2(1)

y=2

y=2(2)

y=4

x+y=12

y=12-x

y=12-1

y=11

1+11=12

y=12-2

y=10

2+10=12