(X-9)+(y-7)=100

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Solution for (X-9)+(y-7)=100 equation:


Simplifying
(X + -9) + (y + -7) = 100

Reorder the terms:
(-9 + X) + (y + -7) = 100

Remove parenthesis around (-9 + X)
-9 + X + (y + -7) = 100

Reorder the terms:
-9 + X + (-7 + y) = 100

Remove parenthesis around (-7 + y)
-9 + X + -7 + y = 100

Reorder the terms:
-9 + -7 + X + y = 100

Combine like terms: -9 + -7 = -16
-16 + X + y = 100

Solving
-16 + X + y = 100

Solving for variable 'X'.

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

Add '16' to each side of the equation.
-16 + X + 16 + y = 100 + 16

Reorder the terms:
-16 + 16 + X + y = 100 + 16

Combine like terms: -16 + 16 = 0
0 + X + y = 100 + 16
X + y = 100 + 16

Combine like terms: 100 + 16 = 116
X + y = 116

Add '-1y' to each side of the equation.
X + y + -1y = 116 + -1y

Combine like terms: y + -1y = 0
X + 0 = 116 + -1y
X = 116 + -1y

Simplifying
X = 116 + -1y

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