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Q: When we subtract 5 from a number x, and divide the answer by 7 the result is 23 less than x. find x.?

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Whether the change is an increase or decrease . . . -- Divide the new number by the original number. -- Multiply the result by 100. -- Subtract 100. -- Now you have the percent of change.

Suppose the number is x. Then 2*x + 8 = 34 Subtract 8 from both sides: 2*x = 26 Divide both sides by 2: x = 13

Work backwards. 64+17 is 81. 81/3 is 27

To find 4/5 of a number, multiply the number by 4, then divide the result by 5. You can also do the division first if you like.

You said that (15 - 3x) = 21 . Divide each side of the equation by 3: (5 - x) = 7 Add 'x' to each side: 5 = 7 + x Subtract 7 from each side: -2 = x

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You subtract the smaller number from the larger, then divide the result by the larger number and multiply that result by 100.

Divide the number by 5 and subtract the answer from the original number...

Whether the change is an increase or decrease . . . -- Divide the new number by the original number. -- Multiply the result by 100. -- Subtract 100. -- Now you have the percent of change.

33% To find out this out, subtract the larger number by the smaller number (63 - 42). Then divide the result (21) by the original number (63) and then you get the answer (21 divided by 63 = 0.333... = 33.333...%

To find acceleration you subtract initial velocity from final velocity and divide it by time.

Suppose the number is x. Then 7x = 2x + 20 Subtract 2x from both sides: 5x = 20 Divide both sides by 5: x = 4

Suppose the number is x. Then 2*x + 8 = 34 Subtract 8 from both sides: 2*x = 26 Divide both sides by 2: x = 13

To find the mode you add all the numbers together, then divide by the amount of numbers you added. To find the median you take the largest number, subtract the smallest number, divide that by two and add it to the smallest number.

To find the percentage of one number you divide the numbers then multiply the answer by 100. For an example, if you want to find the percentage of four that the number three is you divide three by four and then multiply the result ,which is 0.75, by 100 and your result or percentage would be 75%!

There aren't any whole numbers that satisfy this.

Divide 147 by 210 and multiply the result by 100. The result is 70.

To find mean: add all the numbers and divide by the amount of numbers. To find medium: put the numbers in order and find the middle value. If there are two, add them and divide by two. To find mode: find the number that appears most often. To find range: subtract the lowest number from the highest number.