4.2x+3=8-x

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Solution for 4.2x+3=8-x equation:


Simplifying
4.2x + 3 = 8 + -1x

Reorder the terms:
3 + 4.2x = 8 + -1x

Solving
3 + 4.2x = 8 + -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.
3 + 4.2x + x = 8 + -1x + x

Combine like terms: 4.2x + x = 5.2x
3 + 5.2x = 8 + -1x + x

Combine like terms: -1x + x = 0
3 + 5.2x = 8 + 0
3 + 5.2x = 8

Add '-3' to each side of the equation.
3 + -3 + 5.2x = 8 + -3

Combine like terms: 3 + -3 = 0
0 + 5.2x = 8 + -3
5.2x = 8 + -3

Combine like terms: 8 + -3 = 5
5.2x = 5

Divide each side by '5.2'.
x = 0.9615384615

Simplifying
x = 0.9615384615

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