14+x+7=100

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Solution for 14+x+7=100 equation: 


Simplifying
14 + x + 7 = 100

Reorder the terms:
14 + 7 + x = 100

Combine like terms: 14 + 7 = 21
21 + x = 100

Solving
21 + x = 100

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + x = 100 + -21

Combine like terms: 21 + -21 = 0
0 + x = 100 + -21
x = 100 + -21

Combine like terms: 100 + -21 = 79
x = 79

Simplifying
x = 79

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