Question

y=5-x and 2x+3y=12 solve by substitution

Answer 1

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Answer 2

x=3
y=2

Answer 3

2x + 3(5-x) = 12
2x + 15 - 3x = 12
-x = -3
x= 3
y = 5 -(3) = 2

Answer 4

2x+3y=12________________1
y=5-x___________2
substitute 2 in 1
2x+3(5-x)=12
2x+15-3x=12
-x=-3
x=3
and y=5-3
y=2
(x,y)=(3,2)