21(x-1)=6(x-4)

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Solution for 21(x-1)=6(x-4) equation:


Simplifying
21(x + -1) = 6(x + -4)

Reorder the terms:
21(-1 + x) = 6(x + -4)
(-1 * 21 + x * 21) = 6(x + -4)
(-21 + 21x) = 6(x + -4)

Reorder the terms:
-21 + 21x = 6(-4 + x)
-21 + 21x = (-4 * 6 + x * 6)
-21 + 21x = (-24 + 6x)

Solving
-21 + 21x = -24 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-21 + 21x + -6x = -24 + 6x + -6x

Combine like terms: 21x + -6x = 15x
-21 + 15x = -24 + 6x + -6x

Combine like terms: 6x + -6x = 0
-21 + 15x = -24 + 0
-21 + 15x = -24

Add '21' to each side of the equation.
-21 + 21 + 15x = -24 + 21

Combine like terms: -21 + 21 = 0
0 + 15x = -24 + 21
15x = -24 + 21

Combine like terms: -24 + 21 = -3
15x = -3

Divide each side by '15'.
x = -0.2

Simplifying
x = -0.2

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