Question

2х+3х 8х+3х-х 10х+7х-8х 9у+2у-4у 7х-4х 5у+9у 6у-у х+4х+5х

Answer 1

2х+3х = 5x

8х+3х-х = 10x

10х+7х-8х = 9x

9у+2у-4у  = 7x

7х-4х  = 3x

5у+9у  = 14y

6у-у  = 5y

х+4х+5х  = 10x

Answer 2

Let's simplify each expression step by step:

1. 2х + 3х Combine like terms (terms with the same variable, which is 'х' in this case): (2 + 3)х = 5х

2. 8х + 3х - х Combine like terms: (8 + 3 - 1)х = 10х

3. 10х + 7х - 8х Combine like terms: (10 + 7 - 8)х = 9х

4. 9у + 2у - 4у Combine like terms (terms with the same variable, which is 'у' in this case): (9 + 2 - 4)у = 7у

5. 7х - 4х Combine like terms: (7 - 4)х = 3х

6. 5у + 9у Combine like terms: (5 + 9)у = 14у

7. 6у - у Combine like terms: (6 - 1)у = 5у

8. х + 4х + 5х Combine like terms: (1 + 4 + 5)х = 10х

So, the simplified expressions are:

1. 5х
2. 10х
3. 9х
4. 7у
5. 3х
6. 14у
7. 5у
8. 10х