12-0.8(n-11)=0.7(n-11)

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Solution for 12-0.8(n-11)=0.7(n-11) equation:


Simplifying
12 + -0.8(n + -11) = 0.7(n + -11)

Reorder the terms:
12 + -0.8(-11 + n) = 0.7(n + -11)
12 + (-11 * -0.8 + n * -0.8) = 0.7(n + -11)
12 + (8.8 + -0.8n) = 0.7(n + -11)

Combine like terms: 12 + 8.8 = 20.8
20.8 + -0.8n = 0.7(n + -11)

Reorder the terms:
20.8 + -0.8n = 0.7(-11 + n)
20.8 + -0.8n = (-11 * 0.7 + n * 0.7)
20.8 + -0.8n = (-7.7 + 0.7n)

Solving
20.8 + -0.8n = -7.7 + 0.7n

Solving for variable 'n'.

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

Add '-0.7n' to each side of the equation.
20.8 + -0.8n + -0.7n = -7.7 + 0.7n + -0.7n

Combine like terms: -0.8n + -0.7n = -1.5n
20.8 + -1.5n = -7.7 + 0.7n + -0.7n

Combine like terms: 0.7n + -0.7n = 0.0
20.8 + -1.5n = -7.7 + 0.0
20.8 + -1.5n = -7.7

Add '-20.8' to each side of the equation.
20.8 + -20.8 + -1.5n = -7.7 + -20.8

Combine like terms: 20.8 + -20.8 = 0.0
0.0 + -1.5n = -7.7 + -20.8
-1.5n = -7.7 + -20.8

Combine like terms: -7.7 + -20.8 = -28.5
-1.5n = -28.5

Divide each side by '-1.5'.
n = 19

Simplifying
n = 19

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