0.4(2-9)=0.2(4+7)

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Solution for 0.4(2-9)=0.2(4+7) equation: 


Simplifying
0.4(2 + -9) = 0.2(4 + 7)

Combine like terms: 2 + -9 = -7
0.4(-7) = 0.2(4 + 7)

Multiply 0.4 * -7
-2.8 = 0.2(4 + 7)

Combine like terms: 4 + 7 = 11
-2.8 = 0.2(11)

Multiply 0.2 * 11
-2.8 = 2.2

Solving
-2.8 = 2.2

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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