20+12=8x

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Solution for 20+12=8x equation:


Simplifying
20 + 12 = 8x

Combine like terms: 20 + 12 = 32
32 = 8x

Solving
32 = 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
32 + -8x = 8x + -8x

Combine like terms: 8x + -8x = 0
32 + -8x = 0

Add '-32' to each side of the equation.
32 + -32 + -8x = 0 + -32

Combine like terms: 32 + -32 = 0
0 + -8x = 0 + -32
-8x = 0 + -32

Combine like terms: 0 + -32 = -32
-8x = -32

Divide each side by '-8'.
x = 4

Simplifying
x = 4

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