Question

-2x - 3y = -16 5x + 9y = 40 solve it step by step​

Answer 1

Answer:

2x−3y=−16 5x+9y=40 ]

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Isolate x for −2x−3y=−16: x=−

−16+3y

2

Substitute x=−

−16+3y

2

[ 5(−

−16+3y

2 )+9y=40 ]

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Simplify

[

80+3y

2 =40 ]

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Isolate y for

80+3y

2 =40: y=0

For x=−

−16+3y

2

Substitute y=0

x=−

−16+3· 0

2

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−

−16+3· 0

2 =8

x=8

The solutions to the system of equations are:

x=8, y=0