55.2=2.5*3+3*5.3x

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Solution for 55.2=2.5*3+3*5.3x equation: 


Simplifying
55.2 = 2.5 * 3 + 3 * 5.3x

Multiply 2.5 * 3
55.2 = 7.5 + 3 * 5.3x

Multiply 3 * 5.3
55.2 = 7.5 + 15.9x

Solving
55.2 = 7.5 + 15.9x

Solving for variable 'x'.

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

Add '-15.9x' to each side of the equation.
55.2 + -15.9x = 7.5 + 15.9x + -15.9x

Combine like terms: 15.9x + -15.9x = 0.0
55.2 + -15.9x = 7.5 + 0.0
55.2 + -15.9x = 7.5

Add '-55.2' to each side of the equation.
55.2 + -55.2 + -15.9x = 7.5 + -55.2

Combine like terms: 55.2 + -55.2 = 0.0
0.0 + -15.9x = 7.5 + -55.2
-15.9x = 7.5 + -55.2

Combine like terms: 7.5 + -55.2 = -47.7
-15.9x = -47.7

Divide each side by '-15.9'.
x = 3

Simplifying
x = 3

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