0
2(x+9)=56
2x+18=56
-18 -18
2x=18
x=9
check:
2(9+9)=56
2(18)=56
56=56 :)
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∙ 13y ago
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What number is two times the sum of its digits?
18
What is the sum of two numbers times a third number is equal to the sum of each addend times the third number?
That's the distributive property.
What two digit number is 7 times the sum of its digits?
21
The sum of twice a number and 4 times the same number?
Let's call the number XTwice the number would be 2XFour times the same number would be 4XThe sum of these two is 2X + 4X = 6XThe answer is therefore six times the number.
If you have a two six sided number cubes how many times can you get the sum of 11?
You get the sum of 11 two ways; 5,6 and 6,5.
The sum of a number and that number times two?
x+2x3x
What number is two times the sum of its digits?
18
Distributive property of addition?
The sum of two number times a third numberis equal to the sum of each addend times the third number
What is the sum of two numbers times a third number is equal to the sum of each addend times the third number?
That's the distributive property.
What is the sum of a number and its absolute value?
It is either two times the number or 0.
The sum of 2 times a number and 5 times the number?
Let x represent the number. 2 times the number would be 2x, and 5 times the number would be 5x. The sum of the two would be 2X + 5x = 7x
What two digit number is 7 times the sum of its digits?
21
Two times a number plus three times another number equals 13 the sum of the two numbers is 7 what are the numbers?
(-8,1)
The sum of twice a number and 4 times the same number?
Let's call the number XTwice the number would be 2XFour times the same number would be 4XThe sum of these two is 2X + 4X = 6XThe answer is therefore six times the number.
If you have a two six sided number cubes how many times can you get the sum of 11?
You get the sum of 11 two ways; 5,6 and 6,5.
One number is 4 less than eleven times another The sum of the two numbers is 92 Find the numbers?
one number is 4 less than eleven times another the sum of the two numbers is 92. Find the numbers.
The sum of two times a number (x) and -2 is at least 8.?
i think it is if you simlify it the answer would be x+(-2)>8 your welcome aislinn
