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

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


Simplifying
(-3x + -7) + -1(4x + 7) = 0

Reorder the terms:
(-7 + -3x) + -1(4x + 7) = 0

Remove parenthesis around (-7 + -3x)
-7 + -3x + -1(4x + 7) = 0

Reorder the terms:
-7 + -3x + -1(7 + 4x) = 0
-7 + -3x + (7 * -1 + 4x * -1) = 0
-7 + -3x + (-7 + -4x) = 0

Reorder the terms:
-7 + -7 + -3x + -4x = 0

Combine like terms: -7 + -7 = -14
-14 + -3x + -4x = 0

Combine like terms: -3x + -4x = -7x
-14 + -7x = 0

Solving
-14 + -7x = 0

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + -7x = 0 + 14

Combine like terms: -14 + 14 = 0
0 + -7x = 0 + 14
-7x = 0 + 14

Combine like terms: 0 + 14 = 14
-7x = 14

Divide each side by '-7'.
x = -2

Simplifying
x = -2

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