x+(x+1)+(x-1)3=30

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Solution for x+(x+1)+(x-1)3=30 equation:


Simplifying
x + (x + 1) + (x + -1) * 3 = 30

Reorder the terms:
x + (1 + x) + (x + -1) * 3 = 30

Remove parenthesis around (1 + x)
x + 1 + x + (x + -1) * 3 = 30

Reorder the terms:
x + 1 + x + (-1 + x) * 3 = 30

Reorder the terms for easier multiplication:
x + 1 + x + 3(-1 + x) = 30
x + 1 + x + (-1 * 3 + x * 3) = 30
x + 1 + x + (-3 + 3x) = 30

Reorder the terms:
1 + -3 + x + x + 3x = 30

Combine like terms: 1 + -3 = -2
-2 + x + x + 3x = 30

Combine like terms: x + x = 2x
-2 + 2x + 3x = 30

Combine like terms: 2x + 3x = 5x
-2 + 5x = 30

Solving
-2 + 5x = 30

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 5x = 30 + 2

Combine like terms: -2 + 2 = 0
0 + 5x = 30 + 2
5x = 30 + 2

Combine like terms: 30 + 2 = 32
5x = 32

Divide each side by '5'.
x = 6.4

Simplifying
x = 6.4

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