3(4x-6)-(5x+3)=

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Solution for 3(4x-6)-(5x+3)= equation:


Simplifying
3(4x + -6) + -1(5x + 3) = 0

Reorder the terms:
3(-6 + 4x) + -1(5x + 3) = 0
(-6 * 3 + 4x * 3) + -1(5x + 3) = 0
(-18 + 12x) + -1(5x + 3) = 0

Reorder the terms:
-18 + 12x + -1(3 + 5x) = 0
-18 + 12x + (3 * -1 + 5x * -1) = 0
-18 + 12x + (-3 + -5x) = 0

Reorder the terms:
-18 + -3 + 12x + -5x = 0

Combine like terms: -18 + -3 = -21
-21 + 12x + -5x = 0

Combine like terms: 12x + -5x = 7x
-21 + 7x = 0

Solving
-21 + 7x = 0

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 + 7x = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 7x = 0 + 21
7x = 0 + 21

Combine like terms: 0 + 21 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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