3[x-7]=1

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Solution for 3[x-7]=1 equation:


Simplifying
3[x + -7] = 1

Reorder the terms:
3[-7 + x] = 1
[-7 * 3 + x * 3] = 1
[-21 + 3x] = 1

Solving
-21 + 3x = 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 + 3x = 1 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = 1 + 21
3x = 1 + 21

Combine like terms: 1 + 21 = 22
3x = 22

Divide each side by '3'.
x = 7.333333333

Simplifying
x = 7.333333333

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