3 years ago

|2x+5|-4=16 find both answers

Mathematics

1 answer:

attashe74 [19]3 years ago

6 0

Answer:

x=7.5 and x=-12.5

Step-by-step explanation:

|2x+5|-4=16

|2x+5|=20

2x+5=20

2x=15

x=7.5

2x+5=-20

2x=-25

x=-12.5

You might be interested in

Which equation represents a linear function?

Blababa [14]

Answer:

The third one, y=x-3

Step-by-step explanation:

A linear equation is any equation that can be written in the form. ax+b=0. Meaning it will not have a radical or be squared.

4 0

3 years ago

Solve for M.<br><br> 2G/k=5/M

BartSMP [9]

5k/2G is the answer to the problem.

6 0

3 years ago

Find the slope of the line through the pair of points. A(2, 3), P(2, 9)

AVprozaik [17]

$A(x_1;\ y_1);\ B(x_2;\ y_2)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\\\-------------------\\\\A(2;\ 3)\to x_1=2\ and\ y_1=3\\B(2;9)\to x_2=2\ and\ y_2=9\\\\m=\dfrac{9-3}{2-2}=\dfrac{7}{0}-divided\ by\ 0\\\\Answer:\ The\ slope\ unde fined. It's\ a\ vertical\ line\ x=2.$