11=.8(11+x)

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Solution for 11=.8(11+x) equation:


Simplifying
11 = 0.8(11 + x)
11 = (11 * 0.8 + x * 0.8)
11 = (8.8 + 0.8x)

Solving
11 = 8.8 + 0.8x

Solving for variable 'x'.

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

Add '-0.8x' to each side of the equation.
11 + -0.8x = 8.8 + 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
11 + -0.8x = 8.8 + 0.0
11 + -0.8x = 8.8

Add '-11' to each side of the equation.
11 + -11 + -0.8x = 8.8 + -11

Combine like terms: 11 + -11 = 0
0 + -0.8x = 8.8 + -11
-0.8x = 8.8 + -11

Combine like terms: 8.8 + -11 = -2.2
-0.8x = -2.2

Divide each side by '-0.8'.
x = 2.75

Simplifying
x = 2.75

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