5(2x+8)-3x-(8x)-21=

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Solution for 5(2x+8)-3x-(8x)-21= equation:


Simplifying
5(2x + 8) + -3x + -1(8x) + -21 = 0

Reorder the terms:
5(8 + 2x) + -3x + -1(8x) + -21 = 0
(8 * 5 + 2x * 5) + -3x + -1(8x) + -21 = 0
(40 + 10x) + -3x + -1(8x) + -21 = 0

Remove parenthesis around (8x)
40 + 10x + -3x + -1 * 8x + -21 = 0

Multiply -1 * 8
40 + 10x + -3x + -8x + -21 = 0

Reorder the terms:
40 + -21 + 10x + -3x + -8x = 0

Combine like terms: 40 + -21 = 19
19 + 10x + -3x + -8x = 0

Combine like terms: 10x + -3x = 7x
19 + 7x + -8x = 0

Combine like terms: 7x + -8x = -1x
19 + -1x = 0

Solving
19 + -1x = 0

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + -1x = 0 + -19

Combine like terms: 19 + -19 = 0
0 + -1x = 0 + -19
-1x = 0 + -19

Combine like terms: 0 + -19 = -19
-1x = -19

Divide each side by '-1'.
x = 19

Simplifying
x = 19

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