Let the unknown number be x:
4x-2 = -7
4x = -7+2
4x = -5
x = -1.25
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Let the number be x: 7x < or = to 6x-2 7x-6x < or = to -2 x = -2
20 less than 2 times a number is 40 = 2x - 20 = 40Let x = the number2 times a number = 2x20 less than = - 20is 40: =40Translating it into mathematical symbols :2x - 20 = 40
2x = 3x - 22x - 3x = -2-x = -2x = 2Therefore, the number is 2.
Thirty decreased by three times a number is six less than three times the number. Find the number.
2/3 the number. Two thirds the number