-1.2+1.9+3x=-1.2+1.9+3(-2.2)

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Solution for -1.2+1.9+3x=-1.2+1.9+3(-2.2) equation: 


Simplifying
-1.2 + 1.9 + 3x = -1.2 + 1.9 + 3(-2.2)

Combine like terms: -1.2 + 1.9 = 0.7
0.7 + 3x = -1.2 + 1.9 + 3(-2.2)

Multiply 3 * -2.2
0.7 + 3x = -1.2 + 1.9 + -6.6

Combine like terms: -1.2 + 1.9 = 0.7
0.7 + 3x = 0.7 + -6.6

Combine like terms: 0.7 + -6.6 = -5.9
0.7 + 3x = -5.9

Solving
0.7 + 3x = -5.9

Solving for variable 'x'.

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

Add '-0.7' to each side of the equation.
0.7 + -0.7 + 3x = -5.9 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + 3x = -5.9 + -0.7
3x = -5.9 + -0.7

Combine like terms: -5.9 + -0.7 = -6.6
3x = -6.6

Divide each side by '3'.
x = -2.2

Simplifying
x = -2.2

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