3x-1=(x+18).5

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Solution for 3x-1=(x+18).5 equation:


Simplifying
3x + -1 = (x + 18) * 0.5

Reorder the terms:
-1 + 3x = (x + 18) * 0.5

Reorder the terms:
-1 + 3x = (18 + x) * 0.5

Reorder the terms for easier multiplication:
-1 + 3x = 0.5(18 + x)
-1 + 3x = (18 * 0.5 + x * 0.5)
-1 + 3x = (9 + 0.5x)

Solving
-1 + 3x = 9 + 0.5x

Solving for variable 'x'.

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

Add '-0.5x' to each side of the equation.
-1 + 3x + -0.5x = 9 + 0.5x + -0.5x

Combine like terms: 3x + -0.5x = 2.5x
-1 + 2.5x = 9 + 0.5x + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
-1 + 2.5x = 9 + 0.0
-1 + 2.5x = 9

Add '1' to each side of the equation.
-1 + 1 + 2.5x = 9 + 1

Combine like terms: -1 + 1 = 0
0 + 2.5x = 9 + 1
2.5x = 9 + 1

Combine like terms: 9 + 1 = 10
2.5x = 10

Divide each side by '2.5'.
x = 4

Simplifying
x = 4

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