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AlladinOne [14]
3 years ago
6

How to solve for this problem

Mathematics
2 answers:
Gekata [30.6K]3 years ago
7 0
You have an equation with the variable x.
You want to know what value of x makes the equation true.
The first step is to simplify the left side by distributing on both sets of parentheses.

- (1 + 7x) - 6 (-7 - x) = 36

Distribute the negative sign. It changes every sign inside the parentheses.
Distribute the -6. Multiply each number inside the parentheses by -6.

-1 - 7x + 42 + 6x = 36

Now combine like terms on the left side.

-x + 41 = 36

Subtract 41 from both sides.

-x = -5

Divide both sides by -1.

x = 5

Our solution is x = 5.
We can now check to see if it is correct.

We replace x with 5 in the original equation and see it the statement is true.

- (1 + 7x) - 6 (-7 - x) = 36

- (1 + 7*5) - 6 (-7 - 5) = 36

- (1 + 35) - 6(-12) = 36

-36 - (-72) = 36

-36 + 72 = 36

36 = 36

Since 36 = 36 is a true statement, our solution, x = 5, is correct.





Zanzabum3 years ago
6 0
The answer is x= -79
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