Convert the following statements into equations.
(a) 3 added to a number is 11
(b) 2 subtracted from a number is equal to 15.
(c) 3 times a number decreased by 2 is 4.
(d) 2 times the sum of the number x and 7 is 13.
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Convert the following statements into equations.
(a) 3 added to a number is 11
(b) 2 subtracted from a number is equal to 15.
(c) 3 times a number decreased by 2 is 4.
(d) 2 times the sum of the number x and 7 is 13.
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Answer:
Let assume the unknown number be x in all equation
(a) 3 + X = 11
(b) X - 2 = 15
(c) 3X - 2 = 4
(d) 2 ( X+7 ) = 13
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1.ans..
X+3y=11
2.ans..
2x-y=15