4(-10-5x)=-280

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Solution for 4(-10-5x)=-280 equation: 


Simplifying
4(-10 + -5x) = -280
(-10 * 4 + -5x * 4) = -280
(-40 + -20x) = -280

Solving
-40 + -20x = -280

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + -20x = -280 + 40

Combine like terms: -40 + 40 = 0
0 + -20x = -280 + 40
-20x = -280 + 40

Combine like terms: -280 + 40 = -240
-20x = -240

Divide each side by '-20'.
x = 12

Simplifying
x = 12

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