3(5X+4)-10X+9=51

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Solution for 3(5X+4)-10X+9=51 equation:


Simplifying
3(5X + 4) + -10X + 9 = 51

Reorder the terms:
3(4 + 5X) + -10X + 9 = 51
(4 * 3 + 5X * 3) + -10X + 9 = 51
(12 + 15X) + -10X + 9 = 51

Reorder the terms:
12 + 9 + 15X + -10X = 51

Combine like terms: 12 + 9 = 21
21 + 15X + -10X = 51

Combine like terms: 15X + -10X = 5X
21 + 5X = 51

Solving
21 + 5X = 51

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 + 5X = 51 + -21

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

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

Divide each side by '5'.
X = 6

Simplifying
X = 6

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