3x+1.2=-4x-0.9

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Solution for 3x+1.2=-4x-0.9 equation:


Simplifying
3x + 1.2 = -4x + -0.9

Reorder the terms:
1.2 + 3x = -4x + -0.9

Reorder the terms:
1.2 + 3x = -0.9 + -4x

Solving
1.2 + 3x = -0.9 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
1.2 + 3x + 4x = -0.9 + -4x + 4x

Combine like terms: 3x + 4x = 7x
1.2 + 7x = -0.9 + -4x + 4x

Combine like terms: -4x + 4x = 0
1.2 + 7x = -0.9 + 0
1.2 + 7x = -0.9

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 7x = -0.9 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 7x = -0.9 + -1.2
7x = -0.9 + -1.2

Combine like terms: -0.9 + -1.2 = -2.1
7x = -2.1

Divide each side by '7'.
x = -0.3

Simplifying
x = -0.3

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