12+5x=18+3

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Solution for 12+5x=18+3 equation: 


Simplifying
12 + 5x = 18 + 3

Combine like terms: 18 + 3 = 21
12 + 5x = 21

Solving
12 + 5x = 21

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 5x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 5x = 21 + -12
5x = 21 + -12

Combine like terms: 21 + -12 = 9
5x = 9

Divide each side by '5'.
x = 1.8

Simplifying
x = 1.8

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