8(x+3)-21=

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


Simplifying
8(x + 3) + -21 = 0

Reorder the terms:
8(3 + x) + -21 = 0
(3 * 8 + x * 8) + -21 = 0
(24 + 8x) + -21 = 0

Reorder the terms:
24 + -21 + 8x = 0

Combine like terms: 24 + -21 = 3
3 + 8x = 0

Solving
3 + 8x = 0

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 8x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 8x = 0 + -3
8x = 0 + -3

Combine like terms: 0 + -3 = -3
8x = -3

Divide each side by '8'.
x = -0.375

Simplifying
x = -0.375

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