7x+1.2-5x+2.2x=-4.2

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Solution for 7x+1.2-5x+2.2x=-4.2 equation: 


Simplifying
7x + 1.2 + -5x + 2.2x = -4.2

Reorder the terms:
1.2 + 7x + -5x + 2.2x = -4.2

Combine like terms: 7x + -5x = 2x
1.2 + 2x + 2.2x = -4.2

Combine like terms: 2x + 2.2x = 4.2x
1.2 + 4.2x = -4.2

Solving
1.2 + 4.2x = -4.2

Solving for variable 'x'.

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

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 4.2x = -4.2 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 4.2x = -4.2 + -1.2
4.2x = -4.2 + -1.2

Combine like terms: -4.2 + -1.2 = -5.4
4.2x = -5.4

Divide each side by '4.2'.
x = -1.285714286

Simplifying
x = -1.285714286

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