-7(3-4x)=-105

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Solution for -7(3-4x)=-105 equation:


Simplifying
-7(3 + -4x) = -105
(3 * -7 + -4x * -7) = -105
(-21 + 28x) = -105

Solving
-21 + 28x = -105

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 28x = -105 + 21

Combine like terms: -21 + 21 = 0
0 + 28x = -105 + 21
28x = -105 + 21

Combine like terms: -105 + 21 = -84
28x = -84

Divide each side by '28'.
x = -3

Simplifying
x = -3

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