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3 years ago

Write an equation to represent the

Mathematics

2 answers:

eimsori [14]3 years ago

8 0

Answer:

x-11=-18

x=-7

Check work:

-7 -11 = -18

When both numbers are negative, you add them.

-7 "plus" -11 equals -18.

myrzilka [38]3 years ago

6 0

Answer:

The equation to represent the relationship "a number decreased by 11 is equal to -18 is x - 11 = -18. The value of x is -7

Solution:

From the question:

Given:

A number decreased by 11 is equal to -18.

That would be written as:

To Find the Number:

Assume the variable be X in its place

x - 11 = -18---------- (1)

Whenever it says "decreased by" a number, you know you are subtracting that number

Therefore from equation (1)

Now, to solve x - 11 = -18

x - 11 = -18

x=-18 + 11

x = -7

Hence the value of x is -7 Hence the equation to represent the relationship is x - 11 = -18

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