3x+7(3x-15)=63

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Solution for 3x+7(3x-15)=63 equation:


Simplifying
3x + 7(3x + -15) = 63

Reorder the terms:
3x + 7(-15 + 3x) = 63
3x + (-15 * 7 + 3x * 7) = 63
3x + (-105 + 21x) = 63

Reorder the terms:
-105 + 3x + 21x = 63

Combine like terms: 3x + 21x = 24x
-105 + 24x = 63

Solving
-105 + 24x = 63

Solving for variable 'x'.

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

Add '105' to each side of the equation.
-105 + 105 + 24x = 63 + 105

Combine like terms: -105 + 105 = 0
0 + 24x = 63 + 105
24x = 63 + 105

Combine like terms: 63 + 105 = 168
24x = 168

Divide each side by '24'.
x = 7

Simplifying
x = 7

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