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What is 7x plus 3y equals 21 a negative or positive slope?
y=mx+b 7x+3y=21 3y=21-7x *****_ y=7-2.3x *****_ m= -2.3 negative
What is negative 4 minus positive 21?
the answer of negative 4 minus positive 21 is positive 25 because you leave the negative 4 as is, change the minus to a plus, and change positive 21 to negative 21. (Leave Change Change)
What is negative 15 minus negative 6?
If you subtract 15 from -6 you get -21. If you worked out the problem on paper, this is what it would look like. -6 - 15 = ? (change the minus to a plus, and change the sign of 15 from positive to negative) -6 + -15 = ? ( now you can add negative 6 plus negative 15 which equals negative 21) -6 + -15 = -21
What is 14 equals 2 plus r-21?
In these types of questions, you have to try to isolate the unknown variable.14 = 2 + r - 21.Remember whenever you move ANYTHING over the equals sign, you have to make its sign opposite. Since the r is positive, and we are moving it over the equals sign we have to make it a negative sign. When we move the 14 over, it is currently positive so we make it into a negative.-r = -14 + 2 - 21-r = -12 - 21-r = -43(Eliminate the negative sign)r = 43.
Does -7-14 equals -21?
Yes it does. My teacher taught me a cool trick when subtracting negative numbers. You keep the first number(negative or positive) change the sign to a plus and change the sign of the second number.
What is 7x plus 3y equals 21 a negative or positive slope?
y=mx+b 7x+3y=21 3y=21-7x *****_ y=7-2.3x *****_ m= -2.3 negative
What is negative 4 minus positive 21?
the answer of negative 4 minus positive 21 is positive 25 because you leave the negative 4 as is, change the minus to a plus, and change positive 21 to negative 21. (Leave Change Change)
What is negative 16 plus negative 21 plus positive 15?
it would be 21. I think the answer is -22. Because -16 + -21= -37 + 15= -22
What plus negative 24 equals negative 3?
well -24 + 21 = -3
What number times itself equals 441?
There are two correct answers: . . . positive 21 . . . negative 21
What is negative 15 minus negative 6?
If you subtract 15 from -6 you get -21. If you worked out the problem on paper, this is what it would look like. -6 - 15 = ? (change the minus to a plus, and change the sign of 15 from positive to negative) -6 + -15 = ? ( now you can add negative 6 plus negative 15 which equals negative 21) -6 + -15 = -21
What is positive three plus negative twenty - one?
3 + (-21) = 3 - 21 = -18
What is 14 equals 2 plus r-21?
In these types of questions, you have to try to isolate the unknown variable.14 = 2 + r - 21.Remember whenever you move ANYTHING over the equals sign, you have to make its sign opposite. Since the r is positive, and we are moving it over the equals sign we have to make it a negative sign. When we move the 14 over, it is currently positive so we make it into a negative.-r = -14 + 2 - 21-r = -12 - 21-r = -43(Eliminate the negative sign)r = 43.
Does -7-14 equals -21?
Yes it does. My teacher taught me a cool trick when subtracting negative numbers. You keep the first number(negative or positive) change the sign to a plus and change the sign of the second number.
What times what equals negative 18 they add to get positive 3?
21
What is x when x plus negative 21 equals 8?
The value of x is 29
Is the product of 21 negative numbers and 23 positive numbers a positive number or a negative number?
It is a negative number, because every pair of negative factors makes a positive, and you have 10 pairs plus one left over.
