7(3x-1+4(x+1))=-5x-5

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Solution for 7(3x-1+4(x+1))=-5x-5 equation:


Simplifying
7(3x + -1 + 4(x + 1)) = -5x + -5

Reorder the terms:
7(3x + -1 + 4(1 + x)) = -5x + -5
7(3x + -1 + (1 * 4 + x * 4)) = -5x + -5
7(3x + -1 + (4 + 4x)) = -5x + -5

Reorder the terms:
7(-1 + 4 + 3x + 4x) = -5x + -5

Combine like terms: -1 + 4 = 3
7(3 + 3x + 4x) = -5x + -5

Combine like terms: 3x + 4x = 7x
7(3 + 7x) = -5x + -5
(3 * 7 + 7x * 7) = -5x + -5
(21 + 49x) = -5x + -5

Reorder the terms:
21 + 49x = -5 + -5x

Solving
21 + 49x = -5 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
21 + 49x + 5x = -5 + -5x + 5x

Combine like terms: 49x + 5x = 54x
21 + 54x = -5 + -5x + 5x

Combine like terms: -5x + 5x = 0
21 + 54x = -5 + 0
21 + 54x = -5

Add '-21' to each side of the equation.
21 + -21 + 54x = -5 + -21

Combine like terms: 21 + -21 = 0
0 + 54x = -5 + -21
54x = -5 + -21

Combine like terms: -5 + -21 = -26
54x = -26

Divide each side by '54'.
x = -0.4814814815

Simplifying
x = -0.4814814815

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