[x+89]=[3x+11]

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Solution for [x+89]=[3x+11] equation:


Simplifying
[x + 89] = [3x + 11]

Reorder the terms:
[89 + x] = [3x + 11]

Remove brackets around [89 + x]
89 + x = [3x + 11]

Reorder the terms:
89 + x = [11 + 3x]

Remove brackets around [11 + 3x]
89 + x = 11 + 3x

Solving
89 + x = 11 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
89 + x + -3x = 11 + 3x + -3x

Combine like terms: x + -3x = -2x
89 + -2x = 11 + 3x + -3x

Combine like terms: 3x + -3x = 0
89 + -2x = 11 + 0
89 + -2x = 11

Add '-89' to each side of the equation.
89 + -89 + -2x = 11 + -89

Combine like terms: 89 + -89 = 0
0 + -2x = 11 + -89
-2x = 11 + -89

Combine like terms: 11 + -89 = -78
-2x = -78

Divide each side by '-2'.
x = 39

Simplifying
x = 39

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