3x-9-(x+1)2=54

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Solution for 3x-9-(x+1)2=54 equation:


Simplifying
3x + -9 + -1(x + 1) * 2 = 54

Reorder the terms:
3x + -9 + -1(1 + x) * 2 = 54

Reorder the terms for easier multiplication:
3x + -9 + -1 * 2(1 + x) = 54

Multiply -1 * 2
3x + -9 + -2(1 + x) = 54
3x + -9 + (1 * -2 + x * -2) = 54
3x + -9 + (-2 + -2x) = 54

Reorder the terms:
-9 + -2 + 3x + -2x = 54

Combine like terms: -9 + -2 = -11
-11 + 3x + -2x = 54

Combine like terms: 3x + -2x = 1x
-11 + 1x = 54

Solving
-11 + 1x = 54

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 + 1x = 54 + 11

Combine like terms: -11 + 11 = 0
0 + 1x = 54 + 11
1x = 54 + 11

Combine like terms: 54 + 11 = 65
1x = 65

Divide each side by '1'.
x = 65

Simplifying
x = 65

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