Caprice adds equations a and b to solve this system of equations. what makes this
approach a valid method in general for solving a system of equations?
equation a: 8x + 3y = 27
equation b: 4x – 3y = 9
12x = 36

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

answer: it's upside down and i can't read it

step-by-step explanation:

i only know the sequence of arithmetic it adds the first is 5+4 then it goes up as it adds to then it is 9+5 then 14+6 then to 20+7 and so on. 5,9,14,20,27,35.

step-by-step explanation:

x=0

step-by-step explanation: