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How many solutions does the system 2y=10x-14 and 5x-y=7 have? need worked out step by step please!

How many solutions does the system 2y=10x-14 and 5x-y=7 have? need worked out step by step please!
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3 votes
How many solutions does the system 2y=10x-14 and 5x-y=7 have? need worked out step by step please!

User Brett Beatty
by
8.4k points

2 Answers

6 votes
these 2 equations are actually the same,
hope u can understand.
How many solutions does the system 2y=10x-14 and 5x-y=7 have? need worked out step-example-1
User Mitra Razmara
by
8.3k points
3 votes
2y=10x-14
5x-y=7

Divide both sides by 2 in the 1st equation
y=5x-7
Now substitute is to 2nd equation
5x-5x+7=7
0=0

Therefore there is no solution or it is inconsistent
User Eyal Abir
by
8.8k points
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