What is the best answer for this

Step-by-step explanation:

the answer is 4

a+(-7)+3=0

a=7-3

a= 4

4

Step-by-step explanation:

There are two ways of going about this problem. One could simply substitute every given answer and simplify to see if it makes a true statement. Conversely, one could solve the given equation with inverse operations. In this case, it is easier to solve with inverse operations.

Undo parenthesis,

a + (-7) + 3 = 0

a - 7 + 3 = 0

Simplify,

a - 7 + 3 = 0

a - 4 = 0

Inverse operations,

a - 4 = 0

   +4

a = 4

50

step-by-step explanation:

step-by-step explanation:

x-intercept:

(

−

1

+

√

7

,

0

)

,

(

−

1

−

√

7

,

0

)

y-intercept:

(

0

,

−

6

)