X-2y+3=-7
3x+2y=3
What is the answer? Show your work

Step-by-step explanation:

Add the two equations together to eliminate  

y

from the system.

x

−

2

y

=

−

7

+

3

x

+

2

y

=

3

4

x

=

−

4

Divide each term by  

4

and simplify.

Tap for more steps...

x

=

−

1

Substitute the value found for  

x

into one of the original equations, then solve for  

y

.

Tap for more steps...

y

=

3

The solution to the independent system of equations can be represented as a point.

(

−

1

,

3

)

The result can be shown in multiple forms.

Point Form:

(

−

1

,

3

)

Equation Form:

x

=

−

1

,

y

=

3

x² + 11x + 18 < 0  

[-11 ± sqrt(121 - 72)]/2 = (-11 ± 7)/2  

solution: (-9, -2)

step-by-step explanation:

1^3 + 2^3 + 3^3 +4^3 = (1+2+3+4)^2

step-by-step explanation:

i am only able to answer the first part. i am not sure about the second part. sorry