4(5+7x)=300

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Solution for 4(5+7x)=300 equation: 


Simplifying
4(5 + 7x) = 300
(5 * 4 + 7x * 4) = 300
(20 + 28x) = 300

Solving
20 + 28x = 300

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 28x = 300 + -20

Combine like terms: 20 + -20 = 0
0 + 28x = 300 + -20
28x = 300 + -20

Combine like terms: 300 + -20 = 280
28x = 280

Divide each side by '28'.
x = 10

Simplifying
x = 10

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