(2x-3)+(4x-21)=0

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Solution for (2x-3)+(4x-21)=0 equation:


Simplifying
(2x + -3) + (4x + -21) = 0

Reorder the terms:
(-3 + 2x) + (4x + -21) = 0

Remove parenthesis around (-3 + 2x)
-3 + 2x + (4x + -21) = 0

Reorder the terms:
-3 + 2x + (-21 + 4x) = 0

Remove parenthesis around (-21 + 4x)
-3 + 2x + -21 + 4x = 0

Reorder the terms:
-3 + -21 + 2x + 4x = 0

Combine like terms: -3 + -21 = -24
-24 + 2x + 4x = 0

Combine like terms: 2x + 4x = 6x
-24 + 6x = 0

Solving
-24 + 6x = 0

Solving for variable 'x'.

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

Add '24' to each side of the equation.
-24 + 24 + 6x = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 6x = 0 + 24
6x = 0 + 24

Combine like terms: 0 + 24 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4

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