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.3(.9)+1.4=4.2-.1(.9)
We simplify the equation to the form, which is simple to understand
.3(.9)+1.4=4.2-.1(.9)
We move all terms containing to the left and all other terms to the right.
0=+4.2-0.1-0.3-0-0-1.4
We simplify left and right side of the equation.
0=+2.4
0=2.4
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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