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Pls help if you know how to answer it​

Pls help if you know how to answer it​-example-1

2 Answers

2 votes

Explanation:

2x+y=7

2×3+y=7

6+y=7

y=7-6

y=1

User Wouter Konecny
by
7.7k points
6 votes

Answer:

a = 1

Explanation:

Adding 3 as x into the equation will give you 2(3) + y = 7. 3 x 2 = 6, so now the equation is 6 + y = 7.

Now subtract 6 from both sides of the equation to get y by itself, so you'll have y = 1.

CHECK:

2(3) + 1 = 7

6 + 1 = 7

7 = 7 ⇆

User Vennsoh
by
8.0k points

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