2x-y=-1 3x-y=2 in simultaneous equations
2 answers:
Answer:
Let's solve for x.
2x−y=−13x−y
Step 1: Add 13x to both sides.
2x−y+13x=−13x−y+13x
15x−y=−y
Step 2: Add y to both sides.
15x−y+y=−y+y
15x=0
Step 3: Divide both sides by 15.
15x
15
=
0
15
x=0
Answer:
x=0
Step-by-step explanation:
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Answer:
{x,y}={3,7}
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