Question

6（3х+5у）+7х-5упри х+у равен 3

Answer 1

$18x + 30y + 7x - 5y$

приведем подобные:

$25x + 25y$

вынесем за скобки общий множитель 25:

$25(x + y)$

подставим вместо х+у число 3:

$25 \times 3 = 75$

удачи;)

Answer 2

To solve the given equation, we need to find the values of x and y that make the equation true when x + y equals 3. Let's proceed step by step.

The given equation is: 6(3x + 5y) + 7x - 5u = 3

Step 1: Substitute x + y with 3 in the equation: 6(3x + 5y) + 7x - 5u = 3 6(3) + 7x - 5u = 3 18 + 7x - 5u = 3

Step 2: Move constants to one side and x and u terms to the other side: 7x - 5u = 3 - 18 7x - 5u = -15

Step 3: Now, since the equation involves two variables (x and u) but only one equation, we cannot uniquely determine their values. There are infinitely many possible solutions for x and u that satisfy the equation.

If you have more information or another equation involving x and u, we may be able to find specific values for x and u. Otherwise, the equation is underdetermined, and we cannot find unique solutions for x and u.