9x-21+13-45=100

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Solution for 9x-21+13-45=100 equation:


Simplifying
9x + -21 + 13 + -45 = 100

Reorder the terms:
-21 + 13 + -45 + 9x = 100

Combine like terms: -21 + 13 = -8
-8 + -45 + 9x = 100

Combine like terms: -8 + -45 = -53
-53 + 9x = 100

Solving
-53 + 9x = 100

Solving for variable 'x'.

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

Add '53' to each side of the equation.
-53 + 53 + 9x = 100 + 53

Combine like terms: -53 + 53 = 0
0 + 9x = 100 + 53
9x = 100 + 53

Combine like terms: 100 + 53 = 153
9x = 153

Divide each side by '9'.
x = 17

Simplifying
x = 17

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