35x+42(20-x)=728

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Solution for 35x+42(20-x)=728 equation:


Simplifying
35x + 42(20 + -1x) = 728
35x + (20 * 42 + -1x * 42) = 728
35x + (840 + -42x) = 728

Reorder the terms:
840 + 35x + -42x = 728

Combine like terms: 35x + -42x = -7x
840 + -7x = 728

Solving
840 + -7x = 728

Solving for variable 'x'.

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

Add '-840' to each side of the equation.
840 + -840 + -7x = 728 + -840

Combine like terms: 840 + -840 = 0
0 + -7x = 728 + -840
-7x = 728 + -840

Combine like terms: 728 + -840 = -112
-7x = -112

Divide each side by '-7'.
x = 16

Simplifying
x = 16

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