Mathematics: I need help with the follow question. Find the solution for this system of equations. 2x + 4y = 8 x = 3y − 6

The answer is 10ft^3 Since you just multiply the height width and length so 3•2•5 which is 30 and then multiply it by 1/3 or divide it by 3 to get 10!...

I need help with the follow question. Find the solution

Ответ:

kiyahlove7537

19.01.2022

Mathematics

x=0,y=2

Step-by-step explanation:

Given equation:

2x + 4y = 8 Equation:1

$x = 3y-6\\or\\x-3y=-6$ Equation:2

Multiplying equation:2 by 2 gives:

2x-6y=-12 Equation:3

Subtracting Equation:3 from Equation:1

2x + 4y-(2x-6y) = 8-(-12)

The negative sign outside the bracket changes the sign inside it after opening the bracket

2x+4y-2x+6y=8+12

$10y=20\\\\y=2$

Putting the value of 'y' in Equation:2

$x-3y=-6\\x-3(2)=-6\\x-6=-6\\x=-6+6\\x=0$

x=0,y=2

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I need help with the follow question.

Find the solution for this system of equations.

2x + 4y = 8
x = 3y − 6

Ответ:

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