x+3(x-4)(-7)=

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Solution for x+3(x-4)(-7)= equation:


Simplifying
x + 3(x + -4)(-7) = 0

Reorder the terms:
x + 3(-4 + x)(-7) = 0

Reorder the terms for easier multiplication:
x + 3 * -7(-4 + x) = 0

Multiply 3 * -7
x + -21(-4 + x) = 0
x + (-4 * -21 + x * -21) = 0
x + (84 + -21x) = 0

Reorder the terms:
84 + x + -21x = 0

Combine like terms: x + -21x = -20x
84 + -20x = 0

Solving
84 + -20x = 0

Solving for variable 'x'.

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

Add '-84' to each side of the equation.
84 + -84 + -20x = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -20x = 0 + -84
-20x = 0 + -84

Combine like terms: 0 + -84 = -84
-20x = -84

Divide each side by '-20'.
x = 4.2

Simplifying
x = 4.2

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