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

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


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

Reorder the terms:
5(4 + x) + 4(x + 1) + -1(x + 7) = 0
(4 * 5 + x * 5) + 4(x + 1) + -1(x + 7) = 0
(20 + 5x) + 4(x + 1) + -1(x + 7) = 0

Reorder the terms:
20 + 5x + 4(1 + x) + -1(x + 7) = 0
20 + 5x + (1 * 4 + x * 4) + -1(x + 7) = 0
20 + 5x + (4 + 4x) + -1(x + 7) = 0

Reorder the terms:
20 + 5x + 4 + 4x + -1(7 + x) = 0
20 + 5x + 4 + 4x + (7 * -1 + x * -1) = 0
20 + 5x + 4 + 4x + (-7 + -1x) = 0

Reorder the terms:
20 + 4 + -7 + 5x + 4x + -1x = 0

Combine like terms: 20 + 4 = 24
24 + -7 + 5x + 4x + -1x = 0

Combine like terms: 24 + -7 = 17
17 + 5x + 4x + -1x = 0

Combine like terms: 5x + 4x = 9x
17 + 9x + -1x = 0

Combine like terms: 9x + -1x = 8x
17 + 8x = 0

Solving
17 + 8x = 0

Solving for variable 'x'.

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

Add '-17' to each side of the equation.
17 + -17 + 8x = 0 + -17

Combine like terms: 17 + -17 = 0
0 + 8x = 0 + -17
8x = 0 + -17

Combine like terms: 0 + -17 = -17
8x = -17

Divide each side by '8'.
x = -2.125

Simplifying
x = -2.125

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