3x+3(x-7)=147

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Solution for 3x+3(x-7)=147 equation:


Simplifying
3x + 3(x + -7) = 147

Reorder the terms:
3x + 3(-7 + x) = 147
3x + (-7 * 3 + x * 3) = 147
3x + (-21 + 3x) = 147

Reorder the terms:
-21 + 3x + 3x = 147

Combine like terms: 3x + 3x = 6x
-21 + 6x = 147

Solving
-21 + 6x = 147

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 6x = 147 + 21

Combine like terms: -21 + 21 = 0
0 + 6x = 147 + 21
6x = 147 + 21

Combine like terms: 147 + 21 = 168
6x = 168

Divide each side by '6'.
x = 28

Simplifying
x = 28

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