7(-8+5x)=-21

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Solution for 7(-8+5x)=-21 equation: 


Simplifying
7(-8 + 5x) = -21
(-8 * 7 + 5x * 7) = -21
(-56 + 35x) = -21

Solving
-56 + 35x = -21

Solving for variable 'x'.

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

Add '56' to each side of the equation.
-56 + 56 + 35x = -21 + 56

Combine like terms: -56 + 56 = 0
0 + 35x = -21 + 56
35x = -21 + 56

Combine like terms: -21 + 56 = 35
35x = 35

Divide each side by '35'.
x = 1

Simplifying
x = 1

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