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Solve the system of linear equations by graphing
X+y=7
-x+y=-7

User Mkrnr
by
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1 Answer

2 votes

Answer:

Subtract x from both sides of the equation.

y=7−x

−x+y=−7

Add x to both sides of the equation.

y=7−x

y=−7+x

Create a graph to locate the intersection of the equations. The intersection of the system of equations is the solution.

(7,0)

Explanation:

User LDMJoe
by
7.3k points