20x+30(40-x)=1050

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Solution for 20x+30(40-x)=1050 equation:


Simplifying
20x + 30(40 + -1x) = 1050
20x + (40 * 30 + -1x * 30) = 1050
20x + (1200 + -30x) = 1050

Reorder the terms:
1200 + 20x + -30x = 1050

Combine like terms: 20x + -30x = -10x
1200 + -10x = 1050

Solving
1200 + -10x = 1050

Solving for variable 'x'.

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

Add '-1200' to each side of the equation.
1200 + -1200 + -10x = 1050 + -1200

Combine like terms: 1200 + -1200 = 0
0 + -10x = 1050 + -1200
-10x = 1050 + -1200

Combine like terms: 1050 + -1200 = -150
-10x = -150

Divide each side by '-10'.
x = 15

Simplifying
x = 15

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