10x+20*47-20x=640

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Solution for 10x+20*47-20x=640 equation:


Simplifying
10x + 20 * 47 + -20x = 640

Multiply 20 * 47
10x + 940 + -20x = 640

Reorder the terms:
940 + 10x + -20x = 640

Combine like terms: 10x + -20x = -10x
940 + -10x = 640

Solving
940 + -10x = 640

Solving for variable 'x'.

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

Add '-940' to each side of the equation.
940 + -940 + -10x = 640 + -940

Combine like terms: 940 + -940 = 0
0 + -10x = 640 + -940
-10x = 640 + -940

Combine like terms: 640 + -940 = -300
-10x = -300

Divide each side by '-10'.
x = 30

Simplifying
x = 30

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