8(x+6)=4(x+21)

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Solution for 8(x+6)=4(x+21) equation:


Simplifying
8(x + 6) = 4(x + 21)

Reorder the terms:
8(6 + x) = 4(x + 21)
(6 * 8 + x * 8) = 4(x + 21)
(48 + 8x) = 4(x + 21)

Reorder the terms:
48 + 8x = 4(21 + x)
48 + 8x = (21 * 4 + x * 4)
48 + 8x = (84 + 4x)

Solving
48 + 8x = 84 + 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.
48 + 8x + -4x = 84 + 4x + -4x

Combine like terms: 8x + -4x = 4x
48 + 4x = 84 + 4x + -4x

Combine like terms: 4x + -4x = 0
48 + 4x = 84 + 0
48 + 4x = 84

Add '-48' to each side of the equation.
48 + -48 + 4x = 84 + -48

Combine like terms: 48 + -48 = 0
0 + 4x = 84 + -48
4x = 84 + -48

Combine like terms: 84 + -48 = 36
4x = 36

Divide each side by '4'.
x = 9

Simplifying
x = 9

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