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Sagot :

Answer:

1. x+9=-7

x+9-9=-7-9

x=-16

2.

[tex]5x = 20 \\ \frac{5x}{5} = \frac{20}{5} \\ x = 4[/tex]

3. 8-x=2

8+-x=2

-x+8=2

-x+8-8=2-8

-x=-6

-x/-1=-6/-1

x=6

4.x+3=17

x+3-3=17-3

x=14

5./x/=7

1.)

Simplifying

-7 + -1(-9) = 0

Multiply -1 * -9

-7 + 9 = 0

Combine like terms: -7 + 9 = 2

2 = 0

Solving

2 = 0

2.)

Explanation:

5% of 20 can be written as 5% × 20

= 5/100 × 20

= 1

Thus, 5% of 20 is 1.

3.)

What is 8 / 2 simplified?

4⁄1

What is 8 / 2 as a decimal?

4

What is 8 / 2 as a mixed number?

8⁄2 = 4

What is 8 / 2 spelled out?

eight halves

4.)

1x - 5 = 17

1x = 17 + 5

1x = 22 (divide both sides by 1 to get x)

1x/1 = 22/1

x = 22

5.)

Add 22 to both sides.

x=7+2

2 Simplify 7+27+2 to 99.

x=9

hope it help

thanks me later

*correct me if im wrong*