If the following systerm of equations was written as a matrix equation in the
a=[a c]
[b d]
form ax =c and matrix a was expressed in the form, find the value of a-b+c+d
2x + 8y=7
4x- 2y= 9

idk

step-by-step explanation:

i think the correct option is the second option.

5x + 5

step-by-step explanation:

you should always add the diagrams and graphs we cannot see. this particular question is kind of borderline because we can make a graph for you.

(f + g)x = -x^2 +3x + 5 + x^2 + 2x

(f + g)x = 5x + 5

the graph of z = 5x + 5 is shown below. always use desmos when in doubt.