4(20x+25)=820

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Solution for 4(20x+25)=820 equation: 


Simplifying
4(20x + 25) = 820

Reorder the terms:
4(25 + 20x) = 820
(25 * 4 + 20x * 4) = 820
(100 + 80x) = 820

Solving
100 + 80x = 820

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + -100 + 80x = 820 + -100

Combine like terms: 100 + -100 = 0
0 + 80x = 820 + -100
80x = 820 + -100

Combine like terms: 820 + -100 = 720
80x = 720

Divide each side by '80'.
x = 9

Simplifying
x = 9

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