x+3=90

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Solution for x+3=90 equation: 


Simplifying
x + 3 = 90

Reorder the terms:
3 + x = 90

Solving
3 + x = 90

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + x = 90 + -3

Combine like terms: 3 + -3 = 0
0 + x = 90 + -3
x = 90 + -3

Combine like terms: 90 + -3 = 87
x = 87

Simplifying
x = 87

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