7[8-(3x+9)]+7x=0

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Solution for 7[8-(3x+9)]+7x=0 equation:


Simplifying
7[8 + -1(3x + 9)] + 7x = 0

Reorder the terms:
7[8 + -1(9 + 3x)] + 7x = 0
7[8 + (9 * -1 + 3x * -1)] + 7x = 0
7[8 + (-9 + -3x)] + 7x = 0

Combine like terms: 8 + -9 = -1
7[-1 + -3x] + 7x = 0
[-1 * 7 + -3x * 7] + 7x = 0
[-7 + -21x] + 7x = 0

Combine like terms: -21x + 7x = -14x
-7 + -14x = 0

Solving
-7 + -14x = 0

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + -14x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -14x = 0 + 7
-14x = 0 + 7

Combine like terms: 0 + 7 = 7
-14x = 7

Divide each side by '-14'.
x = -0.5

Simplifying
x = -0.5

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