3 years ago

Solve the following equation: x2-5=7

Mathematics

1 answer:

Yuliya22 [10]3 years ago

5 0

Answer:

x= 6

Step-by-step explanation:

Step 1: Write equation

2x - 5 = 7

Step 2: Solve for x

Add 5 to both sides: 2x = 12

Divide both sides by 2: x= 6

Step 3: Check

Plug in x to verify if it's a solution.

2(6) - 5 = 7

12 - 5 = 7

7 = 7

You might be interested in

<img src="https://tex.z-dn.net/?f=%5Cfrac15%20%284%20-%203x%29%20%3D%5Cfrac15%20%283x%20-%204%29" id="TexFormula1" title="\frac1

emmainna [20.7K]

Answer:

x=4/3

Step-by-step explanation:

In pic

(hope this helps can I pls have brainlist (crown) ☺️)

8 0

2 years ago

Read 2 more answers

Solve for x:(-771)+x=0

NeX [460]

Answer:

x=771

Step-by-step explanation:

−771 + x = 0

x − 771 = 0

x − 771 + 771 = 0 + 771

4 0

2 years ago

Which graph represents the compound inequality?

jenyasd209 [6]

Answer:

4th option

Step-by-step explanation:

open circle means more than or less than

n is more than -3 but less than 1

7 0

2 years ago

Please answer ASAP Thank you so much!!!!

anzhelika [568]

Answer:

See below

Step-by-step explanation:

Grade is slope = rise / run

a) horizontal distance 1400 ft (run) vertical distance = 40 ft (rise)

40 / 1400 = 2.85%

b) rise / run = 805.58 / 13780 = 5.84%

3 0

1 year ago

Does a heptogon have parallel lines please. help me

Tpy6a [65]

No they do not have parallel lines

4 0

3 years ago