-7(5+7x)=-280

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Solution for -7(5+7x)=-280 equation: 


Simplifying
-7(5 + 7x) = -280
(5 * -7 + 7x * -7) = -280
(-35 + -49x) = -280

Solving
-35 + -49x = -280

Solving for variable 'x'.

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

Add '35' to each side of the equation.
-35 + 35 + -49x = -280 + 35

Combine like terms: -35 + 35 = 0
0 + -49x = -280 + 35
-49x = -280 + 35

Combine like terms: -280 + 35 = -245
-49x = -245

Divide each side by '-49'.
x = 5

Simplifying
x = 5

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