3 years ago

6. -20 + -2m Can u help me

Mathematics

1 answer:

stellarik [79]3 years ago

4 0

Answer

Step-by-step explanation:

Replace all occurrences of

−

with a single

−

. A plus sign followed by a minus sign has the same mathematical meaning as a single minus sign because

⋅

−

You might be interested in

Example 3

AysviL [449]

ANSWER:
Peremeter=150 feet
Let wodth be x
then,length be x +15
ATQ
x+x+15=150
2x+15=150
2x=150-15
2x=135
x=135/2
x=67.5 feet
Then:
WIDTH=67.5 feet
LENGTH=67.5+15
= 82.5 feet

6 0

3 years ago

The expression below represents the total value in dollars for four boxes of Collectables in the expression, x is the number of

SIZIF [17.4K]

Simplify to 3.6-1.8x

7 0

3 years ago

What is the value of x?

atroni [7]

Answer: The value of x is 2

Step-by-step explanation:

x + 7 =3x + 3

-x -x

7= 2x + 3

-3 -3

4= 2x

x= 2

5 0

4 years ago

X-(-5) = 10 x= help me

MrRissso [65]

Answer:

X-(-5) = 10

x+5=10

x=10-5

x=5

6 0

3 years ago

Read 2 more answers

(K-10) divided by 2 = -7 What’s the answer for the variable k?

stira [4]

Answer:

k = -4

Step-by-step explanation:

(k - 10)/2 = -7

First: multiply by 2 to get rid of the denominator

2(k - 10)/2 = 2(-7)

k - 10 = -14

Next: add 10 to both sides to isolate k

k - 10 + 10 = -14 + 10

k = -4

7 0

4 years ago