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irinina [24]
2 years ago
10

X - - 3 = 10 What is the value of x?

Mathematics
2 answers:
kiruha [24]2 years ago
5 0

Answer:

x=7

Step-by-step explanation:

First, you start with keep, change, change. Keep the x, change the minus to a plus, and then make the negative 3 into three.

So you should have X+3=10

Take the 10 and minus 3

Then you have 7

So your answer will be X=7

Pepsi [2]2 years ago
4 0

Answer:

x = 7

Step-by-step explanation:

Rule: an even number of - signs written one after another produces a plus number.

So - - 3 = 3

The rule also lets you do something strange like

- - - - 4 = 4 but you hardly ever see this.

Rule: an odd number of minus signs produces a minus number.

x + 3 = 10                 Subtract 3 from both sides.

x + 3 - 3 = 10 - 3      

x = 7

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Step-by-step explanation:

5×5=25

25×5= 125

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4 0
3 years ago
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Answer:

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
9.
RoseWind [281]

Answer:

  C.  I & III

Step-by-step explanation:

I simplifies to ...

  2(6x +15 -5x) +4 = 40

  12x +30 -10x +4 = 40

  2x +34 = 40

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II simplifies to ...

  40 = 2(15 -x) +4

  40 = 30 -2x +4

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III simplifies to ...

  12x +30 -10x +4 = 40

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I & III are equivalent

5 0
2 years ago
How do you multiply and then use distributive property?
morpeh [17]
It depends on the question given, for example

you can do distributive property will multiplying.

Example 1:

there is two ways on doing distributive property.

I can do 4(8+3)

add 8+3 since it is inside the parenthesis which equals = 11 then multiply the outside on what you added. 4x11= 44

example 2: I can also do it another way. 4(8+3) distribute the 4 by multiplying the 4 with both numbers. 4x8 and 4x3 which equals 32, and 12. add 32+12=44

so either way you will get the same answer. hope I helped.

6 0
3 years ago
What is 10x6 tens in unit form wrote out??
Pepsi [2]

Answer:10x6=60

60

0 hundreds 60 tenths 0 oned

Step-by-step explanation:

7 0
2 years ago
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