8+13=3(7x-7)

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Solution for 8+13=3(7x-7) equation:


Simplifying
8 + 13 = 3(7x + -7)

Combine like terms: 8 + 13 = 21
21 = 3(7x + -7)

Reorder the terms:
21 = 3(-7 + 7x)
21 = (-7 * 3 + 7x * 3)
21 = (-21 + 21x)

Solving
21 = -21 + 21x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -21 + -21 = -42
-21x = -42

Divide each side by '-21'.
x = 2

Simplifying
x = 2

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