10x-3(X+7)=12

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Solution for 10x-3(X+7)=12 equation: 


Simplifying
10x + -3(X + 7) = 12

Reorder the terms:
10x + -3(7 + X) = 12
10x + (7 * -3 + X * -3) = 12
10x + (-21 + -3X) = 12

Reorder the terms:
-21 + -3X + 10x = 12

Solving
-21 + -3X + 10x = 12

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 + -3X + 21 + 10x = 12 + 21

Reorder the terms:
-21 + 21 + -3X + 10x = 12 + 21

Combine like terms: -21 + 21 = 0
0 + -3X + 10x = 12 + 21
-3X + 10x = 12 + 21

Combine like terms: 12 + 21 = 33
-3X + 10x = 33

Add '-10x' to each side of the equation.
-3X + 10x + -10x = 33 + -10x

Combine like terms: 10x + -10x = 0
-3X + 0 = 33 + -10x
-3X = 33 + -10x

Divide each side by '-3'.
X = -11 + 3.333333333x

Simplifying
X = -11 + 3.333333333x

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