4(20x+25)=660

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Solution for 4(20x+25)=660 equation: 


Simplifying
4(20x + 25) = 660

Reorder the terms:
4(25 + 20x) = 660
(25 * 4 + 20x * 4) = 660
(100 + 80x) = 660

Solving
100 + 80x = 660

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 = 660 + -100

Combine like terms: 100 + -100 = 0
0 + 80x = 660 + -100
80x = 660 + -100

Combine like terms: 660 + -100 = 560
80x = 560

Divide each side by '80'.
x = 7

Simplifying
x = 7

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