All categories

3 years ago

-7=21+x help please thankyou

Mathematics

2 answers:

serg [7]3 years ago

4 0

Move the 21 to the other side and change the sign

-7-21=x
x=-28

hope this helps

Readme [11.4K]3 years ago

4 0

Subtract 21 on both sides.

-7-21=21-21+x
-7-21=x
x=-28

You might be interested in

The record high temperature in January was 18 degrees. The record low temperature was –7 degrees. What is the amount of change b

vodka [1.7K]

Answer: $25^{\circ}$

Step-by-step explanation:

Given

The highest temperature recorded is $18^{\circ}$

The lowest temperature recorded is $-7^{\circ}$

The amount of change between the high and the low temperatures is

$\Rightarrow 18-(-7)=18+7\\\Rightarrow 25^{\circ}$

6 0

3 years ago

3.-8= (2.8) - 8<br> is it true or false

wel

Answer: false

Step-by-step explanation:

7 0

2 years ago

An interger between -5 and -6

ivolga24 [154]

Answer:

None!

Step-by-step explanation:

First off, what is an integer? An integer is a number that is not a fraction or a whole number but it can be negative or positive.

-5 and -6 are both integers and they are both consecutive integers meaning that they are following one another. So they is no integer between -5 and -6.

4 0

1 year ago

A coach of a baseball team orders hats for the players on his team. Each hat costs $9.95. The shipping charge for the entire ord

maria [59]

Answer:

just do 125.00 -9.95+5.00 and then youll have your answer

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Solve the following compound inequality: 3<-2x-137.

yarga [219]

Answer:

Step-by-step explanation:

Here you go mate

PEDMAS

STEP 1

3<-2x-137 equation

STEP 2

3<-2x-137 simplify by reversing equation

-2x-137>3

STEP 3

-2x-137>3 simplify

-2x>140

step 4

-2x>140 look for a number that can divide the two numbers like 2

-2x /-2 > 140 /-2

1>-70

answer

x>-70

3 0

2 years ago