solve given system of equation 2x+5y=-18 y=-3x-7

Cheyanne Leigh

Cheyanne Leigh

Answered question

2020-11-26

solve given system of equation
2x+5y=18
y=3x7

Answer & Explanation

firmablogF

firmablogF

Skilled2020-11-27Added 92 answers

2x+5y=18Eq(1)
y=3x7Eq(2)
substituting y=3x-7 in eq(1),we get
2x+5(3x7)=18
2x+5(3x7)=18
2x+15x35=18
17x=17
X=1
Now substituting x=1 in eq (2),we get
y=3(1)7
y=4
x=1,y=4
Jeffrey Jordon

Jeffrey Jordon

Expert2021-12-11Added 2605 answers

Answer is given below (on video)

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