4.2=7.4-x

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Solution for 4.2=7.4-x equation:


Simplifying
4.2 = 7.4 + -1x

Solving
4.2 = 7.4 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
4.2 + x = 7.4 + -1x + x

Combine like terms: -1x + x = 0
4.2 + x = 7.4 + 0
4.2 + x = 7.4

Add '-4.2' to each side of the equation.
4.2 + -4.2 + x = 7.4 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + x = 7.4 + -4.2
x = 7.4 + -4.2

Combine like terms: 7.4 + -4.2 = 3.2
x = 3.2

Simplifying
x = 3.2

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