0.30x+0.15(140)=0.15(54)

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Solution for 0.30x+0.15(140)=0.15(54) equation: 


Simplifying
0.30x + 0.15(140) = 0.15(54)

Multiply 0.15 * 140
0.30x + 21 = 0.15(54)

Reorder the terms:
21 + 0.30x = 0.15(54)

Multiply 0.15 * 54
21 + 0.30x = 8.1

Solving
21 + 0.30x = 8.1

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 0.30x = 8.1 + -21

Combine like terms: 21 + -21 = 0
0 + 0.30x = 8.1 + -21
0.30x = 8.1 + -21

Combine like terms: 8.1 + -21 = -12.9
0.30x = -12.9

Divide each side by '0.30'.
x = -43

Simplifying
x = -43

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