If the sum of a number and four is doubled the result is seven less than twice the number. find the number

Step-by-step explanation:

2(x+4)=2x-7

2x+8=2x-7

8=-7

No solution

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: h

step-by-step explanation: