n-20*7=28

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Solution for n-20*7=28 equation: 


Simplifying
n + -20 * 7 = 28

Multiply -20 * 7
n + -140 = 28

Reorder the terms:
-140 + n = 28

Solving
-140 + n = 28

Solving for variable 'n'.

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

Add '140' to each side of the equation.
-140 + 140 + n = 28 + 140

Combine like terms: -140 + 140 = 0
0 + n = 28 + 140
n = 28 + 140

Combine like terms: 28 + 140 = 168
n = 168

Simplifying
n = 168

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