3(-11-7n)=12(1+2n)

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Solution for 3(-11-7n)=12(1+2n) equation:


Simplifying
3(-11 + -7n) = 12(1 + 2n)
(-11 * 3 + -7n * 3) = 12(1 + 2n)
(-33 + -21n) = 12(1 + 2n)
-33 + -21n = (1 * 12 + 2n * 12)
-33 + -21n = (12 + 24n)

Solving
-33 + -21n = 12 + 24n

Solving for variable 'n'.

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

Add '-24n' to each side of the equation.
-33 + -21n + -24n = 12 + 24n + -24n

Combine like terms: -21n + -24n = -45n
-33 + -45n = 12 + 24n + -24n

Combine like terms: 24n + -24n = 0
-33 + -45n = 12 + 0
-33 + -45n = 12

Add '33' to each side of the equation.
-33 + 33 + -45n = 12 + 33

Combine like terms: -33 + 33 = 0
0 + -45n = 12 + 33
-45n = 12 + 33

Combine like terms: 12 + 33 = 45
-45n = 45

Divide each side by '-45'.
n = -1

Simplifying
n = -1

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