15=7(3x-3)

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Solution for 15=7(3x-3) equation:


Simplifying
15 = 7(3x + -3)

Reorder the terms:
15 = 7(-3 + 3x)
15 = (-3 * 7 + 3x * 7)
15 = (-21 + 21x)

Solving
15 = -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.
15 + -21x = -21 + 21x + -21x

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

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

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

Combine like terms: -21 + -15 = -36
-21x = -36

Divide each side by '-21'.
x = 1.714285714

Simplifying
x = 1.714285714

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