2 years ago

Solve the system of linear equations by substitution. y=2x-3 y=-x+9

Mathematics

1 answer:

kakasveta [241]2 years ago

4 0

Answer:

x=4, y=5. (4, 5).

Step-by-step explanation:

y=2x-3

y=-x+9

----------

2x-3=-x+9

2x-(-x)-3=9

2x+x=9+3

3x=12

x=12/3

x=4

y=2(4)-3=8-3=5

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