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22 votes
Y = x + 2
5x - 4y = -3
Solving systems by equations

User Likso
by
5.5k points

1 Answer

13 votes

Answer: x = 5, y = 7

Explanation:

First, put the variables together/rearrange:

y - x = 2 & 5x - 4y = -3

Cancel out variable x by multiply the first equation by 5:

5y - 5x = 10 & 5x - 4y = -3

Add equations:

y = 7

Then determine x by plugging y back into the first equation y = x + 2:

x = 5

User Jonas Dellinger
by
5.1k points