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

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


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

Reorder the terms for easier multiplication:
3(7 + -3x) + -7x = 1
(7 * 3 + -3x * 3) + -7x = 1
(21 + -9x) + -7x = 1

Combine like terms: -9x + -7x = -16x
21 + -16x = 1

Solving
21 + -16x = 1

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 + -16x = 1 + -21

Combine like terms: 21 + -21 = 0
0 + -16x = 1 + -21
-16x = 1 + -21

Combine like terms: 1 + -21 = -20
-16x = -20

Divide each side by '-16'.
x = 1.25

Simplifying
x = 1.25

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