3 years ago

Y=2x and x+3y=-14 substitution to solve each system of equations

1 answer:

7 0

You can use the substitution method.
You substitute the first equation to the second equation to get the value of x.
x + 3y = -14
x + 3(2x) = -14
x + 6x = -14
7x = -14
x = -14/7 = -2

Substitute the value of x to the first equation.
y = 2(-2) = 4

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What is the quotient of 14.2 ÷ 0.28