90+45=n

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Solution for 90+45=n equation:


Simplifying
90 + 45 = n

Combine like terms: 90 + 45 = 135
135 = n

Solving
135 = n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
135 + -1n = n + -1n

Combine like terms: n + -1n = 0
135 + -1n = 0

Add '-135' to each side of the equation.
135 + -135 + -1n = 0 + -135

Combine like terms: 135 + -135 = 0
0 + -1n = 0 + -135
-1n = 0 + -135

Combine like terms: 0 + -135 = -135
-1n = -135

Divide each side by '-1'.
n = 135

Simplifying
n = 135

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