X+70=90+80

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Solution for X+70=90+80 equation: 


Simplifying
X + 70 = 90 + 80

Reorder the terms:
70 + X = 90 + 80

Combine like terms: 90 + 80 = 170
70 + X = 170

Solving
70 + X = 170

Solving for variable 'X'.

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

Add '-70' to each side of the equation.
70 + -70 + X = 170 + -70

Combine like terms: 70 + -70 = 0
0 + X = 170 + -70
X = 170 + -70

Combine like terms: 170 + -70 = 100
X = 100

Simplifying
X = 100

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