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

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


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

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

Combine like terms: 1.2 + 2.2 = 3.4
3.4 + 7x + -5x = -4.2

Combine like terms: 7x + -5x = 2x
3.4 + 2x = -4.2

Solving
3.4 + 2x = -4.2

Solving for variable 'x'.

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

Add '-3.4' to each side of the equation.
3.4 + -3.4 + 2x = -4.2 + -3.4

Combine like terms: 3.4 + -3.4 = 0.0
0.0 + 2x = -4.2 + -3.4
2x = -4.2 + -3.4

Combine like terms: -4.2 + -3.4 = -7.6
2x = -7.6

Divide each side by '2'.
x = -3.8

Simplifying
x = -3.8

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