3 years ago

What is the first step in solving the following system of equations?

1 answer:

3 0

Answer:

Solve the 1st equation for y and then you substitute the answer of the y value to the other equation to get the x value

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<span>B) 84 + z = 180, since 42*2=84, 180-84=96, z=96</span>

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Step-by-step explanation:

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