4x+2.8=x+9

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Solution for 4x+2.8=x+9 equation:


Simplifying
4x + 2.8 = x + 9

Reorder the terms:
2.8 + 4x = x + 9

Reorder the terms:
2.8 + 4x = 9 + x

Solving
2.8 + 4x = 9 + 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.
2.8 + 4x + -1x = 9 + x + -1x

Combine like terms: 4x + -1x = 3x
2.8 + 3x = 9 + x + -1x

Combine like terms: x + -1x = 0
2.8 + 3x = 9 + 0
2.8 + 3x = 9

Add '-2.8' to each side of the equation.
2.8 + -2.8 + 3x = 9 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + 3x = 9 + -2.8
3x = 9 + -2.8

Combine like terms: 9 + -2.8 = 6.2
3x = 6.2

Divide each side by '3'.
x = 2.066666667

Simplifying
x = 2.066666667

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