1.1x+4.2=0.7x+1.28

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Solution for 1.1x+4.2=0.7x+1.28 equation: 


Simplifying
1.1x + 4.2 = 0.7x + 1.28

Reorder the terms:
4.2 + 1.1x = 0.7x + 1.28

Reorder the terms:
4.2 + 1.1x = 1.28 + 0.7x

Solving
4.2 + 1.1x = 1.28 + 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
4.2 + 1.1x + -0.7x = 1.28 + 0.7x + -0.7x

Combine like terms: 1.1x + -0.7x = 0.4x
4.2 + 0.4x = 1.28 + 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
4.2 + 0.4x = 1.28 + 0.0
4.2 + 0.4x = 1.28

Add '-4.2' to each side of the equation.
4.2 + -4.2 + 0.4x = 1.28 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 0.4x = 1.28 + -4.2
0.4x = 1.28 + -4.2

Combine like terms: 1.28 + -4.2 = -2.92
0.4x = -2.92

Divide each side by '0.4'.
x = -7.3

Simplifying
x = -7.3

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