-7(8x+7)=343

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Solution for -7(8x+7)=343 equation:


Simplifying
-7(8x + 7) = 343

Reorder the terms:
-7(7 + 8x) = 343
(7 * -7 + 8x * -7) = 343
(-49 + -56x) = 343

Solving
-49 + -56x = 343

Solving for variable 'x'.

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

Add '49' to each side of the equation.
-49 + 49 + -56x = 343 + 49

Combine like terms: -49 + 49 = 0
0 + -56x = 343 + 49
-56x = 343 + 49

Combine like terms: 343 + 49 = 392
-56x = 392

Divide each side by '-56'.
x = -7

Simplifying
x = -7

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