6(-21-7x)=84

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Solution for 6(-21-7x)=84 equation: 


Simplifying
6(-21 + -7x) = 84
(-21 * 6 + -7x * 6) = 84
(-126 + -42x) = 84

Solving
-126 + -42x = 84

Solving for variable 'x'.

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

Add '126' to each side of the equation.
-126 + 126 + -42x = 84 + 126

Combine like terms: -126 + 126 = 0
0 + -42x = 84 + 126
-42x = 84 + 126

Combine like terms: 84 + 126 = 210
-42x = 210

Divide each side by '-42'.
x = -5

Simplifying
x = -5

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