Mathematics: Y + x = 4 and y = 2x - 8 Solve the system of equations.

Y + x = 4 and y = 2x - 8 Solve the system of equations.

Ответ:

NetherisIsTheQueen

22.01.2022

Mathematics

x = 4, y = 0.

As an ordered pair it is (4, 0).

Step-by-step explanation:

Rewriting the second equation as the same format as the first:

y + x = 4

y - 2x = - 8 Subtract (1) - (2):

0 + 3x = 12

x = 4.

Plug x = 4 into the first equation:

y + 4 = 4

y = 0.

Check in the second equation:

y = 0 = 2(4) - 8 = 8 -8 = 0. OK.

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Ответ:

isaiahdunn

02.12.2020

Mathematics

$\bf \cfrac{~~\frac{1}{4}~~}{\frac{2}{3}}\cfrac{barrel}{hour}\implies \cfrac{1}{4}\cdot \cfrac{3}{2}\implies \cfrac{3}{8}\implies \cfrac{\frac{3}{8}}{1}\cfrac{barrel}{hour}\implies 0.375~\frac{barrel}{hour}$

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Y + x = 4 and y = 2x - 8 Solve the system of equations.

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