20x+30(8200-x)=213000

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Solution for 20x+30(8200-x)=213000 equation:


Simplifying
20x + 30(8200 + -1x) = 213000
20x + (8200 * 30 + -1x * 30) = 213000
20x + (246000 + -30x) = 213000

Reorder the terms:
246000 + 20x + -30x = 213000

Combine like terms: 20x + -30x = -10x
246000 + -10x = 213000

Solving
246000 + -10x = 213000

Solving for variable 'x'.

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

Add '-246000' to each side of the equation.
246000 + -246000 + -10x = 213000 + -246000

Combine like terms: 246000 + -246000 = 0
0 + -10x = 213000 + -246000
-10x = 213000 + -246000

Combine like terms: 213000 + -246000 = -33000
-10x = -33000

Divide each side by '-10'.
x = 3300

Simplifying
x = 3300

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