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Popular >

7-(-8)-x=4-(2-9)

Solution

7 - (- 8) - x = 4 - (2 - 9)

Solution

x = 4

Solution steps

7 - (- 8) - x = 4 - (2 - 9)

Apply rule

- (- a) = a

7 + 8 - x = 4 - (2 - 9)

Add the numbers:

7 + 8 = 15

- x + 15 = 4 - (2 - 9)

- (2 - 9) = 7

- x + 15 = 4 + 7

Add the numbers:

4 + 7 = 11

- x + 15 = 11

Move

15

to the right side

- x = - 4

Divide both sides by

- 1

x = 4

Popular Examples

9 v - 14 = 6 v - 2

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y^{2} - 9 y + 18

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-2+x/(x+2)<= (1-x)/(x-2)

- 2 + \frac{x}{x + 2} \leq \frac{1 - x}{x - 2}

4 x^{2} - 8 x + 6 = 0

Frequently Asked Questions (FAQ)

What is the answer to 7-(-8)-x=4-(2-9) ?
The answer to 7-(-8)-x=4-(2-9) is x=4
Solve for x: 7-(-8)-x=4-(2-9)
The solution is x=4