5[x+1]+6=21

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Solution for 5[x+1]+6=21 equation: 


Simplifying
5[x + 1] + 6 = 21

Reorder the terms:
5[1 + x] + 6 = 21
[1 * 5 + x * 5] + 6 = 21
[5 + 5x] + 6 = 21

Reorder the terms:
5 + 6 + 5x = 21

Combine like terms: 5 + 6 = 11
11 + 5x = 21

Solving
11 + 5x = 21

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 5x = 21 + -11

Combine like terms: 11 + -11 = 0
0 + 5x = 21 + -11
5x = 21 + -11

Combine like terms: 21 + -11 = 10
5x = 10

Divide each side by '5'.
x = 2

Simplifying
x = 2

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