8=x+4.2

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Solution for 8=x+4.2 equation:


Simplifying
8 = x + 4.2

Reorder the terms:
8 = 4.2 + x

Solving
8 = 4.2 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
8 + -1x = 4.2 + x + -1x

Combine like terms: x + -1x = 0
8 + -1x = 4.2 + 0
8 + -1x = 4.2

Add '-8' to each side of the equation.
8 + -8 + -1x = 4.2 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 4.2 + -8
-1x = 4.2 + -8

Combine like terms: 4.2 + -8 = -3.8
-1x = -3.8

Divide each side by '-1'.
x = 3.8

Simplifying
x = 3.8

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