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

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


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

Reorder the terms:
3(5 + x) + -4(x + 4) = -1x + -1
(5 * 3 + x * 3) + -4(x + 4) = -1x + -1
(15 + 3x) + -4(x + 4) = -1x + -1

Reorder the terms:
15 + 3x + -4(4 + x) = -1x + -1
15 + 3x + (4 * -4 + x * -4) = -1x + -1
15 + 3x + (-16 + -4x) = -1x + -1

Reorder the terms:
15 + -16 + 3x + -4x = -1x + -1

Combine like terms: 15 + -16 = -1
-1 + 3x + -4x = -1x + -1

Combine like terms: 3x + -4x = -1x
-1 + -1x = -1x + -1

Reorder the terms:
-1 + -1x = -1 + -1x

Add '1' to each side of the equation.
-1 + 1 + -1x = -1 + 1 + -1x

Combine like terms: -1 + 1 = 0
0 + -1x = -1 + 1 + -1x
-1x = -1 + 1 + -1x

Combine like terms: -1 + 1 = 0
-1x = 0 + -1x
-1x = -1x

Add 'x' to each side of the equation.
-1x + x = -1x + x

Combine like terms: -1x + x = 0
0 = -1x + x

Combine like terms: -1x + x = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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