3(1.2x+2.1)=22.5

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Solution for 3(1.2x+2.1)=22.5 equation: 


Simplifying
3(1.2x + 2.1) = 22.5

Reorder the terms:
3(2.1 + 1.2x) = 22.5
(2.1 * 3 + 1.2x * 3) = 22.5
(6.3 + 3.6x) = 22.5

Solving
6.3 + 3.6x = 22.5

Solving for variable 'x'.

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

Add '-6.3' to each side of the equation.
6.3 + -6.3 + 3.6x = 22.5 + -6.3

Combine like terms: 6.3 + -6.3 = 0.0
0.0 + 3.6x = 22.5 + -6.3
3.6x = 22.5 + -6.3

Combine like terms: 22.5 + -6.3 = 16.2
3.6x = 16.2

Divide each side by '3.6'.
x = 4.5

Simplifying
x = 4.5

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