-28=-3(-7n-7)-10(-5+12n)

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Solution for -28=-3(-7n-7)-10(-5+12n) equation:


Simplifying
-28 = -3(-7n + -7) + -10(-5 + 12n)

Reorder the terms:
-28 = -3(-7 + -7n) + -10(-5 + 12n)
-28 = (-7 * -3 + -7n * -3) + -10(-5 + 12n)
-28 = (21 + 21n) + -10(-5 + 12n)
-28 = 21 + 21n + (-5 * -10 + 12n * -10)
-28 = 21 + 21n + (50 + -120n)

Reorder the terms:
-28 = 21 + 50 + 21n + -120n

Combine like terms: 21 + 50 = 71
-28 = 71 + 21n + -120n

Combine like terms: 21n + -120n = -99n
-28 = 71 + -99n

Solving
-28 = 71 + -99n

Solving for variable 'n'.

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

Add '99n' to each side of the equation.
-28 + 99n = 71 + -99n + 99n

Combine like terms: -99n + 99n = 0
-28 + 99n = 71 + 0
-28 + 99n = 71

Add '28' to each side of the equation.
-28 + 28 + 99n = 71 + 28

Combine like terms: -28 + 28 = 0
0 + 99n = 71 + 28
99n = 71 + 28

Combine like terms: 71 + 28 = 99
99n = 99

Divide each side by '99'.
n = 1

Simplifying
n = 1

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