Question

Solve 2x + y = 5 and 3x - 2y = 11 by substitution.

Answer 1

Answer:

Step-by-step explanation:

y=5-2x

3x-2(5-2x)=11

3x-10+4x=11

7x=11+10

7x=21

x=21/7=3

2(3)+y=5

6+y=5

y=5-6

y=-1

therefore, x=3, y=-1

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