Question

3x-y=2,x+2y=10 with algebric method​

Answer 1

Answer:

For example, the equations x + 2y = 10 and 3x - y = -3 form simultaneous equations.

Solution - A value or set of values that make the simultaneous equations true.

For example, the solution to the equations 2x + 3y = 15

Answer 2

$\bf\color{red}\huge{answer}$

$\bf\large{by substitution}$

3x - y = 2 -----------(1)x + 2y = 10 ---------(2)

$\bf{</strong><strong>process</strong><strong>}$

• in this method 1st we multiply equation 1 by 2 inorder to get similar terms

• then we add both equation

• then we will substitute value of x and y to get answer

$\bf\huge{</strong><strong>expla</strong><strong>n</strong><strong>a</strong><strong>tion</strong><strong>}$

now on multiply equation 1 by 2

2(3x - y = 2 )

6x - 2y = 4 ---------(3)

then by addition of equation 2 and 3

x + 2y = 10

6x - 2y = 4

-----------------

7x = 14

x = 2

therefore by putting value in equation 1

3(2) - y = 2

6 - y = 2

-y = 2 - 6

-y = -4

y = 4

THEN VALUE OF x = 2 and y = 4

$\bf</strong><strong>\</strong><strong>b</strong><strong>o</strong><strong>l</strong><strong>d</strong><strong>{</strong><strong>extra</strong><strong>}$

• there are three process to find the answer of above equation
• you can any one of those
• last process has been removed from boards exam 2020

hope it helps you

be brainly