3 years ago

You are given two algebraic equations, y = 3x, and 2y = x + 20. Solve for x and y.

Mathematics

1 answer:

Yuri [45]3 years ago

7 0

Answer:

x= -4 & y=-12

Step-by-step explanation:

multiply y=3x by 2

giving you 2y=6x

subtracting 2y=x+20 from 2y =6x

=> 5x=-20

dividing through by 5

=> x=-4

put x=-4 into y=3x

=> y=3(-4)

y=-12

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