Question

8×-17y=4-8x+15y=4Help ​

Answer 1

Из первого уравнения выражаю Х:

$x=\frac{4+17y}{8}$

Подставляю данное выражение во второе уравнение и нахожу чему равен Y:

$-8 * \frac{4+17y}{8} +15y=4\\-4-17y+15y=4\\-4-2y=4\\-2y=8\\y=-4$

Подставив найденный Y в первое уравнение, найду Х:

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Answer 2

It seems like you've provided two equations with variables x and y:

1. $8x - 17y = 4$
2. $-8x + 15y = 4$

These equations form a system of linear equations. To solve for the values of x and y that satisfy both equations simultaneously, you can use methods like substitution or elimination. Let's use the elimination method here:

Start with the given equations:

1. $8x - 17y = 4$
2. $-8x + 15y = 4$

Add the two equations together to eliminate the x terms: $(8x - 17y) + (-8x + 15y) = 4 + 4$ $-2y = 8$

Now, solve for y: $y = -4$

Now that you have the value of y, substitute it back into one of the original equations to solve for x. Let's use the first equation: $8x - 17(-4) = 4$ $8x + 68 = 4$ $8x = -64$ $x = -8$

So, the solution to the system of equations is $x = -8$ and $y = -4$.