(3-x)7+6x=

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


Simplifying
(3 + -1x) * 7 + 6x = 0

Reorder the terms for easier multiplication:
7(3 + -1x) + 6x = 0
(3 * 7 + -1x * 7) + 6x = 0
(21 + -7x) + 6x = 0

Combine like terms: -7x + 6x = -1x
21 + -1x = 0

Solving
21 + -1x = 0

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -1x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -1x = 0 + -21
-1x = 0 + -21

Combine like terms: 0 + -21 = -21
-1x = -21

Divide each side by '-1'.
x = 21

Simplifying
x = 21

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