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

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


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

Reorder the terms:
5(5 + x) + -4(x + 4) = -1x + -1
(5 * 5 + x * 5) + -4(x + 4) = -1x + -1
(25 + 5x) + -4(x + 4) = -1x + -1

Reorder the terms:
25 + 5x + -4(4 + x) = -1x + -1
25 + 5x + (4 * -4 + x * -4) = -1x + -1
25 + 5x + (-16 + -4x) = -1x + -1

Reorder the terms:
25 + -16 + 5x + -4x = -1x + -1

Combine like terms: 25 + -16 = 9
9 + 5x + -4x = -1x + -1

Combine like terms: 5x + -4x = 1x
9 + 1x = -1x + -1

Reorder the terms:
9 + 1x = -1 + -1x

Solving
9 + 1x = -1 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
9 + 1x + x = -1 + -1x + x

Combine like terms: 1x + x = 2x
9 + 2x = -1 + -1x + x

Combine like terms: -1x + x = 0
9 + 2x = -1 + 0
9 + 2x = -1

Add '-9' to each side of the equation.
9 + -9 + 2x = -1 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = -1 + -9
2x = -1 + -9

Combine like terms: -1 + -9 = -10
2x = -10

Divide each side by '2'.
x = -5

Simplifying
x = -5

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