8x=5(x+21)

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


Simplifying
8x = 5(x + 21)

Reorder the terms:
8x = 5(21 + x)
8x = (21 * 5 + x * 5)
8x = (105 + 5x)

Solving
8x = 105 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
8x + -5x = 105 + 5x + -5x

Combine like terms: 8x + -5x = 3x
3x = 105 + 5x + -5x

Combine like terms: 5x + -5x = 0
3x = 105 + 0
3x = 105

Divide each side by '3'.
x = 35

Simplifying
x = 35

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