4*0.1x+4.2=0.1+21.6

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Solution for 4*0.1x+4.2=0.1+21.6 equation: 


Simplifying
4 * 0.1x + 4.2 = 0.1 + 21.6

Multiply 4 * 0.1
0.4x + 4.2 = 0.1 + 21.6

Reorder the terms:
4.2 + 0.4x = 0.1 + 21.6

Combine like terms: 0.1 + 21.6 = 21.7
4.2 + 0.4x = 21.7

Solving
4.2 + 0.4x = 21.7

Solving for variable 'x'.

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

Add '-4.2' to each side of the equation.
4.2 + -4.2 + 0.4x = 21.7 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 0.4x = 21.7 + -4.2
0.4x = 21.7 + -4.2

Combine like terms: 21.7 + -4.2 = 17.5
0.4x = 17.5

Divide each side by '0.4'.
x = 43.75

Simplifying
x = 43.75

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