The solution to -2x + 8 = -10

9

Step-by-step explanation:

Subtract

8

8

8

from both sides of the equation

−

2

+

8

=

−

1

0

-2x+8=-10

−2x+8=−10

−

2

+

8

−

8

=

−

1

0

−

8

-2x+8{\color{#c92786}{-8}}=-10{\color{#c92786}{-8}}

−2x+8−8=−10−8

2

Simplify

3

Divide both sides of the equation by the same term

4

Simplify

Solution

=

9Subtract

8

8

8

from both sides of the equation

−

2

+

8

=

−

1

0

-2x+8=-10

−2x+8=−10

−

2

+

8

−

8

=

−

1

0

−

8

-2x+8{\color{#c92786}{-8}}=-10{\color{#c92786}{-8}}

−2x+8−8=−10−8

2

Simplify

3

Divide both sides of the equation by the same term

4

Simplify

Solution

=

9

he spend 5.1 minutes chatting with his friends

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5 1/10

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²