45-6x=12+21

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Solution for 45-6x=12+21 equation: 


Simplifying
45 + -6x = 12 + 21

Combine like terms: 12 + 21 = 33
45 + -6x = 33

Solving
45 + -6x = 33

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + -6x = 33 + -45

Combine like terms: 45 + -45 = 0
0 + -6x = 33 + -45
-6x = 33 + -45

Combine like terms: 33 + -45 = -12
-6x = -12

Divide each side by '-6'.
x = 2

Simplifying
x = 2

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