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Lina20 [59]
3 years ago
5

Y = –3x + 6 y = 9 what is the solution to the system of equations? (–21, 9) (9, –21) (–1, 9) (9, –1).

SAT
1 answer:
guapka [62]3 years ago
7 0

Answer:

The solution is

Point Form:

( -1, 9)

Equation Form:

x = -1, y = 9

Explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

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espero que te ayude :3

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First step cross multiplying.

6.2/2x+1=213/4

<span><span>(6.2)</span>*<span>(4)</span></span>=<span>213*<span>(<span><span>2x</span>+1</span><span>)
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Second Step flip with the equation.

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Third Step Subtract 213 from both sides.

<span><span><span>426x</span>+213</span>−213</span>=<span>24.8−<span>213
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