4(-9-x)-(-5x)+7(5x+7)=

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Solution for 4(-9-x)-(-5x)+7(5x+7)= equation:


Simplifying
4(-9 + -1x) + -1(-5x) + 7(5x + 7) = 0
(-9 * 4 + -1x * 4) + -1(-5x) + 7(5x + 7) = 0
(-36 + -4x) + -1(-5x) + 7(5x + 7) = 0

Remove parenthesis around (-5x)
-36 + -4x + -1 * -5x + 7(5x + 7) = 0

Multiply -1 * -5
-36 + -4x + 5x + 7(5x + 7) = 0

Reorder the terms:
-36 + -4x + 5x + 7(7 + 5x) = 0
-36 + -4x + 5x + (7 * 7 + 5x * 7) = 0
-36 + -4x + 5x + (49 + 35x) = 0

Reorder the terms:
-36 + 49 + -4x + 5x + 35x = 0

Combine like terms: -36 + 49 = 13
13 + -4x + 5x + 35x = 0

Combine like terms: -4x + 5x = 1x
13 + 1x + 35x = 0

Combine like terms: 1x + 35x = 36x
13 + 36x = 0

Solving
13 + 36x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-13' to each side of the equation.
13 + -13 + 36x = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 36x = 0 + -13
36x = 0 + -13

Combine like terms: 0 + -13 = -13
36x = -13

Divide each side by '36'.
x = -0.3611111111

Simplifying
x = -0.3611111111

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