0.3x+0.7(30-x)=11

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Solution for 0.3x+0.7(30-x)=11 equation:


Simplifying
0.3x + 0.7(30 + -1x) = 11
0.3x + (30 * 0.7 + -1x * 0.7) = 11
0.3x + (21 + -0.7x) = 11

Reorder the terms:
21 + 0.3x + -0.7x = 11

Combine like terms: 0.3x + -0.7x = -0.4x
21 + -0.4x = 11

Solving
21 + -0.4x = 11

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 + -0.4x = 11 + -21

Combine like terms: 21 + -21 = 0
0 + -0.4x = 11 + -21
-0.4x = 11 + -21

Combine like terms: 11 + -21 = -10
-0.4x = -10

Divide each side by '-0.4'.
x = 25

Simplifying
x = 25

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