2007-10-12 15:20:34 · 7 answers · asked by nutashuh. 1 in Science & Mathematics ➔ Mathematics
2x+13=75
solve for x.
2007-10-12 15:24:41 · answer #1 · answered by ʌ_ʍ ʍr.smile 6 · 0⤊ 0⤋
twice a number
unknown no. = x
2x
sum of twice a number and 13 is 75
2x+13 = 75
2x = 75 - 13
x = 62/2
x = 31
2007-10-12 22:28:30 · answer #2 · answered by ^^' 2 · 0⤊ 0⤋
31
2007-10-12 22:29:43 · answer #3 · answered by CJ 6 · 0⤊ 0⤋
2x+13=75
-13 -13
2x=62
x=31
2007-10-12 22:29:06 · answer #4 · answered by Anonymous · 0⤊ 0⤋
2x + 13 = 75
2x = 62
x = 31
Number is 31
2007-10-13 14:04:19 · answer #5 · answered by Como 7 · 0⤊ 0⤋
its 31 ....x is 31.........75-13 =62 divided by 2=31
2007-10-12 22:29:06 · answer #6 · answered by Anonymous · 0⤊ 0⤋
let x=number
2x+13=75
2x=75-13
2x=62
x=31
2007-10-12 22:56:52 · answer #7 · answered by ptolemy862000 4 · 0⤊ 0⤋