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Earn +20 ptsQ: What is the answer to the equation 2n - 5 equals 7?
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What is the answer to this problem 2n-5 equals 7?
in algebra, if what you do to one side of the equation you do to the other side you do not change things and you can solve for the unknown 2n-5 = 7 add 5 to BOTH sides 2n-5 + 5 = 7 + 5 2n = 12 Divide BOTH sides by 2 n = 6
What does n equal if 42 equals 2n plus 7?
42 = 2n + 7Subtract 7 from each side of the equation:35 = 2nDivide each side by 2:17.5 = n
2n plus 19 equals -7?
2n + 19 = -7 2n = -7 - 19 2n = -26 n= -13
What is the answer for 2n -7 for n equals 8?
If 'n' is 8, then (2n - 7) is 9 .
What is the answer to 2n-7 equals 5n-10?
2n - 7 = 5n - 10subtract 2n from each side- 7 = 3n - 10add 10 to each side3 = 3ndivide both sides integers by 31 = n=======check in original equation2(1) - 7 = 5(1) - 102 - 7 = 5 - 10- 5 = - 5========checks
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