suppose Malcolm adds 2 to the left side of an equation and subtracts 5 from the right side. What number should he now subtract from the left side to make a true equation again?

Question

Mathematics

Frida Watkins

22 June, 13:35

suppose Malcolm adds 2 to the left side of an equation and subtracts 5 from the right side. What number should he now subtract from the left side to make a true equation again?

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Answers (1)

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Emelia · Answer 1

She need to subtract 7 from the left side to make a true equation again.

Step-by-step explanation:

The steps are given as:

suppose Malcolm adds 2 to the left side of an equation and subtracts 5 from the right side.

Now we are asked: What number should he now subtract from the left side to make a true equation again?

We know that if we apply any operation to one side of an equation than it must be applied to the other side as well in order to keep the statement true.

So now she need to subtract 7 from the left side to make a true statement.

(Because as she has subtracted 5 from the right.

and before that she has already added 2 to the left so now if she will subtract 7 from the left than the total change in the left will be: 2-7 = - 5 i. e. - 5 is subtracted in the left which is equal to the operation applied to the right).