Solve the simultaneous equations y – x = 3 y = 7x

Tomas Bruckner asked Sep 7, 2022

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11 votes

Solve the simultaneous equations

y – x = 3
y = 7x

Tomas Bruckner asked Sep 7, 2022

3.1k points

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26 votes

Answer:

x=1/2, y=3 1/2

Explanation:

substitute y=7x into y-x=3

7x - x = 3

6x = 3

x=1/2

y=7(1/2)

y=3 1/2

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