Math, asked by chittoriagracy, 4 months ago

Q3
3y +5
Solve for y:
2y +7
4.​

Answers

Answered by tusisah
0

Step-by-step explanation:

Enter a problem...

Algebra Examples

Popular Problems Algebra Solve by Substitution 3x-2y=7 , x+3y=-5

3

x

2

y

=

7

3x-2y=7 ,

x

+

3

y

=

5

x+3y=-5

Subtract

3

y

3y from both sides of the equation.

x

=

5

3

y

x=-5-3y

3

x

2

y

=

7

3x-2y=7

Replace all occurrences of

x

x in

3

x

2

y

=

7

3x-2y=7 with

5

3

y

-5-3y.

x

=

5

3

y

x=-5-3y

3

(

5

3

y

)

2

y

=

7

3(-5-3y)-2y=7

Simplify

3

(

5

3

y

)

2

y

3(-5-3y)-2y.

Tap for fewer steps...

Simplify each term.

Tap for more steps...

x

=

5

3

y

x=-5-3y

15

9

y

2

y

=

7

-15-9y-2y=7

Subtract

2

y

2y from

9

y

-9y.

x

=

5

3

y

x=-5-3y

15

11

y

=

7

-15-11y=7

Solve for

y

y in the second equation.

Tap for more steps...

x

=

5

3

y

x=-5-3y

y

=

2

y=-2

Replace all occurrences of

y

y in

x

=

5

3

y

x=-5-3y with

2

-2.

x

=

5

3

2

x=-5-3⋅-2

y

=

2

y=-2

Simplify

5

3

2

-5-3⋅-2.

Similar questions