(x+1)+(x+5)=20

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Solution for (x+1)+(x+5)=20 equation:


Simplifying
(x + 1) + (x + 5) = 20

Reorder the terms:
(1 + x) + (x + 5) = 20

Remove parenthesis around (1 + x)
1 + x + (x + 5) = 20

Reorder the terms:
1 + x + (5 + x) = 20

Remove parenthesis around (5 + x)
1 + x + 5 + x = 20

Reorder the terms:
1 + 5 + x + x = 20

Combine like terms: 1 + 5 = 6
6 + x + x = 20

Combine like terms: x + x = 2x
6 + 2x = 20

Solving
6 + 2x = 20

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 2x = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = 20 + -6
2x = 20 + -6

Combine like terms: 20 + -6 = 14
2x = 14

Divide each side by '2'.
x = 7

Simplifying
x = 7

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