3x-7(x+4)=-56

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Solution for 3x-7(x+4)=-56 equation:


Simplifying
3x + -7(x + 4) = -56

Reorder the terms:
3x + -7(4 + x) = -56
3x + (4 * -7 + x * -7) = -56
3x + (-28 + -7x) = -56

Reorder the terms:
-28 + 3x + -7x = -56

Combine like terms: 3x + -7x = -4x
-28 + -4x = -56

Solving
-28 + -4x = -56

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + -4x = -56 + 28

Combine like terms: -28 + 28 = 0
0 + -4x = -56 + 28
-4x = -56 + 28

Combine like terms: -56 + 28 = -28
-4x = -28

Divide each side by '-4'.
x = 7

Simplifying
x = 7

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