8(x-3)+8=4x-21

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Solution for 8(x-3)+8=4x-21 equation:


Simplifying
8(x + -3) + 8 = 4x + -21

Reorder the terms:
8(-3 + x) + 8 = 4x + -21
(-3 * 8 + x * 8) + 8 = 4x + -21
(-24 + 8x) + 8 = 4x + -21

Reorder the terms:
-24 + 8 + 8x = 4x + -21

Combine like terms: -24 + 8 = -16
-16 + 8x = 4x + -21

Reorder the terms:
-16 + 8x = -21 + 4x

Solving
-16 + 8x = -21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-16 + 8x + -4x = -21 + 4x + -4x

Combine like terms: 8x + -4x = 4x
-16 + 4x = -21 + 4x + -4x

Combine like terms: 4x + -4x = 0
-16 + 4x = -21 + 0
-16 + 4x = -21

Add '16' to each side of the equation.
-16 + 16 + 4x = -21 + 16

Combine like terms: -16 + 16 = 0
0 + 4x = -21 + 16
4x = -21 + 16

Combine like terms: -21 + 16 = -5
4x = -5

Divide each side by '4'.
x = -1.25

Simplifying
x = -1.25

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