0.40x+0.30(70)=0.20(69)

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Solution for 0.40x+0.30(70)=0.20(69) equation: 


Simplifying
0.40x + 0.30(70) = 0.20(69)

Multiply 0.30 * 70
0.40x + 21 = 0.20(69)

Reorder the terms:
21 + 0.40x = 0.20(69)

Multiply 0.20 * 69
21 + 0.40x = 13.8

Solving
21 + 0.40x = 13.8

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 + 0.40x = 13.8 + -21

Combine like terms: 21 + -21 = 0
0 + 0.40x = 13.8 + -21
0.40x = 13.8 + -21

Combine like terms: 13.8 + -21 = -7.2
0.40x = -7.2

Divide each side by '0.40'.
x = -18

Simplifying
x = -18

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