[2x]+3=[5x]+15

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Solution for [2x]+3=[5x]+15 equation:


Simplifying
[2x] + 3 = [5x] + 15

Reorder the terms:
3 + [2x] = [5x] + 15

Reorder the terms:
3 + [2x] = 15 + [5x]

Solving
3 + [2x] = 15 + [5x]

Solving for variable 'x'.

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

Add '[-5x]' to each side of the equation.
3 + [2x] + [-5x] = 15 + [5x] + [-5x]

Combine like terms: [2x] + [-5x] = -3x
3 + -3x = 15 + [5x] + [-5x]

Combine like terms: [5x] + [-5x] = 0
3 + -3x = 15 + 0
3 + -3x = 15

Add '-3' to each side of the equation.
3 + -3 + -3x = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -3x = 15 + -3
-3x = 15 + -3

Combine like terms: 15 + -3 = 12
-3x = 12

Divide each side by '-3'.
x = -4

Simplifying
x = -4

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