2x+3(x-17)=-21

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Solution for 2x+3(x-17)=-21 equation: 


Simplifying
2x + 3(x + -17) = -21

Reorder the terms:
2x + 3(-17 + x) = -21
2x + (-17 * 3 + x * 3) = -21
2x + (-51 + 3x) = -21

Reorder the terms:
-51 + 2x + 3x = -21

Combine like terms: 2x + 3x = 5x
-51 + 5x = -21

Solving
-51 + 5x = -21

Solving for variable 'x'.

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

Add '51' to each side of the equation.
-51 + 51 + 5x = -21 + 51

Combine like terms: -51 + 51 = 0
0 + 5x = -21 + 51
5x = -21 + 51

Combine like terms: -21 + 51 = 30
5x = 30

Divide each side by '5'.
x = 6

Simplifying
x = 6

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