21x-28-7=6x-2

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Solution for 21x-28-7=6x-2 equation:


Simplifying
21x + -28 + -7 = 6x + -2

Reorder the terms:
-28 + -7 + 21x = 6x + -2

Combine like terms: -28 + -7 = -35
-35 + 21x = 6x + -2

Reorder the terms:
-35 + 21x = -2 + 6x

Solving
-35 + 21x = -2 + 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.
-35 + 21x + -6x = -2 + 6x + -6x

Combine like terms: 21x + -6x = 15x
-35 + 15x = -2 + 6x + -6x

Combine like terms: 6x + -6x = 0
-35 + 15x = -2 + 0
-35 + 15x = -2

Add '35' to each side of the equation.
-35 + 35 + 15x = -2 + 35

Combine like terms: -35 + 35 = 0
0 + 15x = -2 + 35
15x = -2 + 35

Combine like terms: -2 + 35 = 33
15x = 33

Divide each side by '15'.
x = 2.2

Simplifying
x = 2.2

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