18x+19=15x+31

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Solution for 18x+19=15x+31 equation:


Simplifying
18x + 19 = 15x + 31

Reorder the terms:
19 + 18x = 15x + 31

Reorder the terms:
19 + 18x = 31 + 15x

Solving
19 + 18x = 31 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
19 + 18x + -15x = 31 + 15x + -15x

Combine like terms: 18x + -15x = 3x
19 + 3x = 31 + 15x + -15x

Combine like terms: 15x + -15x = 0
19 + 3x = 31 + 0
19 + 3x = 31

Add '-19' to each side of the equation.
19 + -19 + 3x = 31 + -19

Combine like terms: 19 + -19 = 0
0 + 3x = 31 + -19
3x = 31 + -19

Combine like terms: 31 + -19 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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