Answered

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answers for the 2 boxes please:)​

Answers For The 2 Boxes Please class=

Sagot :

VectorFundament120

Answer:

(1,2)

Step-by-step explanation:

Eliminate y-term

[tex](x + 2x) + (4y - 4y) = 9 - 6 \\ 3x = 3 \\ x = \frac{3}{3} \\ x = 1[/tex]

Substitute x = 1 in any given equations.

I choose to substitute in the first equation.

[tex]x + 4y = 9 \\ 1 + 4y = 9 \\ 4y = 9 - 1 \\ 4y = 8 \\ y = \frac{8}{4} \\ y = 2[/tex]

Answer Check

Substitute both x-value and y-value in any given equations.

[tex]x + 4y = 9 \\ 1 + 4(2) = 9 \\ 1 + 8 = 9 \\ 9 = 9[/tex]

The first equation is true. However, we have to check the second equation as well. (Although the first true equarion has already raised the high possibility of right answer.)

[tex]2x - 4y = - 6 \\ 2(1) - 4(2) = - 6 \\ 2 - 8 = - 6 \\ - 6 = - 6[/tex]

Both equations are true for (1,2). Thus the answer is (1,2)

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