4x-4+6x-12=21

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Solution for 4x-4+6x-12=21 equation:


Simplifying
4x + -4 + 6x + -12 = 21

Reorder the terms:
-4 + -12 + 4x + 6x = 21

Combine like terms: -4 + -12 = -16
-16 + 4x + 6x = 21

Combine like terms: 4x + 6x = 10x
-16 + 10x = 21

Solving
-16 + 10x = 21

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 10x = 21 + 16

Combine like terms: -16 + 16 = 0
0 + 10x = 21 + 16
10x = 21 + 16

Combine like terms: 21 + 16 = 37
10x = 37

Divide each side by '10'.
x = 3.7

Simplifying
x = 3.7

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