Question

6y-3=3+2y 9-10z=5-9z 12x-7=12x-16

Answer 1

Вот решила, смотри файл:)

Answer 2

6у-2у=3+3
4у=6
у=1,5

-10z+9z=5-9
-1z=-4
z=4

12x-12x=-16+7
х=-9

Answer 3

Let's solve each equation step by step:

1. $6y - 3 = 3 + 2y$

   First, let's simplify the equation by combining like terms:

   $6y - 2y = 3 + 3$

   $4y = 6$

   Now, isolate $y$ by dividing both sides by 4:

   $y = \frac{6}{4}$

   $y = \frac{3}{2}$ or $1.5$

2. $9 - 10z = 5 - 9z$

   First, simplify the equation by combining like terms:

   $-10z + 9z = 5 - 9$

   $-z = -4$

   Now, isolate $z$ by dividing both sides by -1:

   $z = \frac{4}{1}$

   $z = 4$

3. $12x - 7 = 12x - 16$

   This equation seems to be problematic at first glance because the variable $x$ appears on both sides. However, when we subtract $12x$ from both sides, it cancels out:

   $12x - 12x - 7 = 12x - 12x - 16$

   $-7 = -16$

   The equation is inconsistent, meaning there is no solution. This happens because the variable terms cancel out, leaving a statement that is never true.

To summarize:

1. $y = \frac{3}{2}$ or $1.5$
2. $z = 4$
3. The third equation is inconsistent and has no solution.