asked 210k views
4 votes
Substitution
y=× +5
2x-y=-2

asked
User Dezi
by
8.0k points

2 Answers

5 votes
So, we substitute the y in the second equation to solve for x-value.

2x-(x+5) = -2
2x-x-5 = -2
x-5 = -2
+5 +5
x = 3

As we got the x-value, we now have to find the value of y.

y = x+5
y = 3+5
y = 8

So, the answer is (3,8)

HOPE THIS HELPS!!!!!
answered
User Wbj
by
8.5k points
6 votes
We know what y equals already.

y = x + 5

2x - x + 5 = -2
x + 5 = -2
-5 -5

x = -7

y = -7 + 5
y = -2

Now we have our values

Answer: (-7,-2)
or
x = -7
y = -2
answered
User Amit Raz
by
7.7k points

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