3 years ago

I need help please. Thank you.

Mathematics

1 answer:

Fofino [41]3 years ago

5 0

Answer:i cant see anything i just see a black screen can you post the picture again?

Step-by-step explanation:

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5. Mark's brother is five years older than Mark.

AleksAgata [21]

Answer:

Step-by-step explanation:

Let's say Mark is M and his brother is B.

M+5=B

M+B=23

Now we can solve using subsitution.

M+M+5=23

(Subtract 5 from both sides)

2M=18

M=9

Hope this helped!

8 0

3 years ago

-5x= -15 solve for x

cricket20 [7]

Answer:x=3

Step-by-step explanation:

-5x=-15

divide by -5

x=3

7 0

3 years ago

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May someone please help I am struggling bad

SVETLANKA909090 [29]

Answer:

5 12 9

Step-by-step explanation:

3 0

3 years ago

Help me pleaseeeee will mark brainliest

kaheart [24]

1) 64

2) 1/8

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8 0

3 years ago

-3(x+2)=12. solve for x

bagirrra123 [75]

Steps to solve:

-3(x + 2) = 12

~Distributive Property

(-3 * x) + (-3 * 2) = 12

~Simplify

-3x - 6 = 12

~Add 6 to both sides

-3x - 6 + 6 = 12 + 6

~Simplify

-3x = 18

~Divide -3 to both sides

-3x/-3 = 18/-3

~Simplify

x = -6

Best of Luck!

8 0

2 years ago

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