-5(4-7x)=400

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Solution for -5(4-7x)=400 equation: 


Simplifying
-5(4 + -7x) = 400
(4 * -5 + -7x * -5) = 400
(-20 + 35x) = 400

Solving
-20 + 35x = 400

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 + 35x = 400 + 20

Combine like terms: -20 + 20 = 0
0 + 35x = 400 + 20
35x = 400 + 20

Combine like terms: 400 + 20 = 420
35x = 420

Divide each side by '35'.
x = 12

Simplifying
x = 12

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