1.28+0.9x=1+0.2x

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Solution for 1.28+0.9x=1+0.2x equation: 


Simplifying
1.28 + 0.9x = 1 + 0.2x

Solving
1.28 + 0.9x = 1 + 0.2x

Solving for variable 'x'.

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

Add '-0.2x' to each side of the equation.
1.28 + 0.9x + -0.2x = 1 + 0.2x + -0.2x

Combine like terms: 0.9x + -0.2x = 0.7x
1.28 + 0.7x = 1 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
1.28 + 0.7x = 1 + 0.0
1.28 + 0.7x = 1

Add '-1.28' to each side of the equation.
1.28 + -1.28 + 0.7x = 1 + -1.28

Combine like terms: 1.28 + -1.28 = 0.00
0.00 + 0.7x = 1 + -1.28
0.7x = 1 + -1.28

Combine like terms: 1 + -1.28 = -0.28
0.7x = -0.28

Divide each side by '0.7'.
x = -0.4

Simplifying
x = -0.4

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