Question

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.​

Answer 1

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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Answer 2

1.ans..

X+3y=11

2.ans..

2x-y=15