3x+3y+1=x+4y
7-2x+2y=x-8y

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вопрос

The two equations are:
1) 3x + 3y + 1 = x + 4y
2) 7 - 2x + 2y = x - 8y

We can solve these two equations simultaneously to find the values of x and y.

For Equation 1:
3x + 3y + 1 = x + 4y
Rearranging terms to simplify:
2x - y = 1
y = 2x - 1

For Equation 2:
7 - 2x + 2y = x - 8y
Rearranging terms to simplify:
3x + 10y = 7
y = (7 - 3x)/10

Now, we can equate the two expressions for y to find the value of x:

2x - 1 = (7 - 3x)/10
20x - 10 = 7 - 3x
23x = 17
x = 17/23

Now, we can substitute the value of x back into one of the expressions to find the value of y:

y = 2*(17/23) - 1
y = 34/23 - 1
y = 11/23

Therefore, the solution to this system of equations is:
x = 17/23
y = 11/23