jennifer966 jennifer966

20-03-2021
Mathematics

contestada

e first equation into the second equation y=5x+12 3y+4x=150

Respuesta :

isazczhe isazczhe

20-03-2021

Step-by-step explanation:

y=5x+12 ....... eqn 1

3y+4X=150.....eqn 2

sub eqn 1 into 2

3(5x+12) + 4X = 150

15X+36 +4X=150

19X = 150-36

19X= 114

X= 6

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