1.2x+2.8=0.4x-4.72

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Solution for 1.2x+2.8=0.4x-4.72 equation: 


Simplifying
1.2x + 2.8 = 0.4x + -4.72

Reorder the terms:
2.8 + 1.2x = 0.4x + -4.72

Reorder the terms:
2.8 + 1.2x = -4.72 + 0.4x

Solving
2.8 + 1.2x = -4.72 + 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
2.8 + 1.2x + -0.4x = -4.72 + 0.4x + -0.4x

Combine like terms: 1.2x + -0.4x = 0.8x
2.8 + 0.8x = -4.72 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
2.8 + 0.8x = -4.72 + 0.0
2.8 + 0.8x = -4.72

Add '-2.8' to each side of the equation.
2.8 + -2.8 + 0.8x = -4.72 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + 0.8x = -4.72 + -2.8
0.8x = -4.72 + -2.8

Combine like terms: -4.72 + -2.8 = -7.52
0.8x = -7.52

Divide each side by '0.8'.
x = -9.4

Simplifying
x = -9.4

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