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Solve the system of equations using substitution.

Solve the system of equations using substitution.-example-1

2 Answers

4 votes

Answer:

(10, -1)

Explanation:


3y=-(1)/(2)x +2


y=-x+9

Substitute y for -x + 9


3(-x+9)=-(1)/(2)x+2


-3x+27=-(1)/(2)x+2


27=(5)/(2)x+2


25=(5)/(2)x

Multiply both sides by 2/5


x=(50)/(5)


x=10

Use the x value to solve for y


y=-(10)+9


y=-10+9


y=-1

Solution: (10, -1)

User Avba
by
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4 votes

Answer:

A) (10,-1)

Explanation:


3y=-(1)/(2)x+2\\\\3(-x+9)=-(1)/(2)x+2\\\\-3x+27=-(1)/(2)x+2\\\\27=(5)/(2)x+2\\\\25=(5)/(2)x\\\\50=5x\\\\10=x


y=-10+9=-1

User Jaeeun Lee
by
7.9k points

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