dustykrestel dustykrestel

10-03-2020
Mathematics

contestada

What is the solution to the system of equations?

Use the substitution method.

{y=−3x+1
2x+5y=18

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janaya10 janaya10

10-03-2020

2x+5(-3x+1)=18
2x+-15x+5=18
-13x+5=18
-13x=13
X=-1

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LilCatrina LilCatrina

10-03-2020

Answer:

( -1 , -2 )

Step-by-step explanation:

2x + 5y = 18

2x + 5( -3x + 1 )= 18

2x + -15x + 5 = 18

-13x + 5 = 18

-13x = 13

x= -1

y= 3( -1 ) + 1

y= -3 + 1

y = -2

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