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Nadya [2.5K]
3 years ago
11

What is the value of x? x + (-10) = 2 Enter your answer in the box

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
6 0

To get x by itself you would add 10 to each side to get x=12 because you do the opposite on the x side to the other side to get x by itself.

RideAnS [48]3 years ago
3 0

Answer:

Answer:

x=12


Step-by-step explanation:

x−10+10=2+10

x=12


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. Tommy gives baseball cards to four of his friends. He gives Kiana 3 cards less than he gives Gary.
Licemer1 [7]
We need to write system of equations for this problem. Reading text we write 1 equation by 1.
first lets name our variables
x - Kiana cards
y - Gary cards
z - Monty cards
m - Willa cards

x = y-3         which we can write as y = x+3
z = x + 7
m = 2z
x + y + z + m = 74

I think easiest way to solve this is to express all variables in last equation and solve for x.
x + x+3 + x + 7+ 2x + 14= 74
5x = 50
x = 10
now we just calculate cards given to each friend

y = 13
z = 17
m = 34
7 0
3 years ago
What does evaluate mean? I have to do a math problem for a post-test and I don’t know what the heck Evaluate means!
earnstyle [38]

Answer:

Evaluate: to determine or set the value or amount of; appraise: to evaluate the property. to judge or determine the significance, worth, or quality of; assess: to evaluate the results of an experiment. Mathematics. to determine or calculate the numerical value of (a formula, function, relation, etc.).

Hope this helps! Please mark Brainliest!

6 0
3 years ago
Read 2 more answers
Help with this question please ​
riadik2000 [5.3K]
It is : D

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3 0
3 years ago
Complete the Steps to Solve for x.<br><br> -0.57x+0.27x =8.1
IgorLugansk [536]

Answer:

x=-27

Step-by-step explanation:

-0.57x+0.27x = 8.1

-0.3x = 8.1

x = -8.1/0.3

x = -27

6 0
3 years ago
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Please help me thank u so much
alex41 [277]

Answer:

28/5= 5 3/5 15/7= 2 1/7 21/4=5 1/4

Step-by-step explanation:

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3 years ago
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