3[2x+1]-7=50

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Solution for 3[2x+1]-7=50 equation:


Simplifying
3[2x + 1] + -7 = 50

Reorder the terms:
3[1 + 2x] + -7 = 50
[1 * 3 + 2x * 3] + -7 = 50
[3 + 6x] + -7 = 50

Reorder the terms:
3 + -7 + 6x = 50

Combine like terms: 3 + -7 = -4
-4 + 6x = 50

Solving
-4 + 6x = 50

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 6x = 50 + 4

Combine like terms: -4 + 4 = 0
0 + 6x = 50 + 4
6x = 50 + 4

Combine like terms: 50 + 4 = 54
6x = 54

Divide each side by '6'.
x = 9

Simplifying
x = 9

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