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Question 7 using substitution if you don’t mind. Help please.

Question 7 using substitution if you don’t mind. Help please.-example-1

2 Answers

5 votes

y= -2 and x= 1 according to the solution in the picture

Question 7 using substitution if you don’t mind. Help please.-example-1
User Timtos
by
4.1k points
2 votes

Answer:

x = 1

y = -2

Explanation:

3x - 2y = 7

4x + y = 2 then y = 2 - 4x

substitute for y:

3x - 2(2 - 4x) = 7

reduce:

3x - 4 + 8x = 7

11x = 11

x = 1

y = -2

User Mohit Goel
by
4.4k points