3(1-7x)-6(7-x)=6

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Solution for 3(1-7x)-6(7-x)=6 equation:


Simplifying
3(1 + -7x) + -6(7 + -1x) = 6
(1 * 3 + -7x * 3) + -6(7 + -1x) = 6
(3 + -21x) + -6(7 + -1x) = 6
3 + -21x + (7 * -6 + -1x * -6) = 6
3 + -21x + (-42 + 6x) = 6

Reorder the terms:
3 + -42 + -21x + 6x = 6

Combine like terms: 3 + -42 = -39
-39 + -21x + 6x = 6

Combine like terms: -21x + 6x = -15x
-39 + -15x = 6

Solving
-39 + -15x = 6

Solving for variable 'x'.

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

Add '39' to each side of the equation.
-39 + 39 + -15x = 6 + 39

Combine like terms: -39 + 39 = 0
0 + -15x = 6 + 39
-15x = 6 + 39

Combine like terms: 6 + 39 = 45
-15x = 45

Divide each side by '-15'.
x = -3

Simplifying
x = -3

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