Homework Help: Math (Translate each sentance into a equation)

Posted by Dab on Tuesday, October 11, 2011 at 6:16pm.

1. The difference between three times a number and 11 is 10.

Whould it be: 3x - 11 = 10?

2. One more than the difference between 18 and seven times a number is -9.

Would it be: 1 + 18 - 7x = -9?

3. 26 more than the product of a number and 17 is -42.

Would it be: 26 + x + 17 = -42?

4. Twelve less than the quotient of a number and 8 is -1.

Would it be: 12 - x/8 = -1?

Math (Translate each sentance into a equation) - Ms. Sue, Tuesday, October 11, 2011 at 6:26pm
1. Correct.

2.
(18 - 7x) + 1 = -9

3.
17x + 26 = -42

4. Incorrect.
Please try again
Math (Translate each sentance into a equation) - Dab, Tuesday, October 11, 2011 at 6:48pm
4. 12 - a + 8 = 1?
Math (Translate each sentance into a equation) - Ms. Sue, Tuesday, October 11, 2011 at 6:54pm
4. Quotients are the answers to a division problem. Your first answer was on the right track, except that it didn't show 12 less than the quotient.
Math (Translate each sentance into a equation) - Dab, Tuesday, October 11, 2011 at 6:56pm
12 + x/8 = -1

Since you'll later turn the + into a -

OR

x/8 - 12 = -1?
Math (Translate each sentance into a equation) - Ms. Sue, Tuesday, October 11, 2011 at 6:58pm
This is correct:

x/8 - 12 = -1
Math (Translate each sentance into a equation) - Dab, Tuesday, October 11, 2011 at 7:02pm
Now how would you go by solving, x/8 - 12 = -1?
Math (Translate each sentance into a equation) - Ms. Sue, Tuesday, October 11, 2011 at 7:13pm
x/8 - 12 = -1

Multiply both sides of the equation by 8.

x - 96 = -8
x = 96 - 8
x = 88

Proof:
(88/8) - 12 = -1
11 - 12 = -1

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