53=8x+21

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Solution for 53=8x+21 equation:


Simplifying
53 = 8x + 21

Reorder the terms:
53 = 21 + 8x

Solving
53 = 21 + 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.
53 + -8x = 21 + 8x + -8x

Combine like terms: 8x + -8x = 0
53 + -8x = 21 + 0
53 + -8x = 21

Add '-53' to each side of the equation.
53 + -53 + -8x = 21 + -53

Combine like terms: 53 + -53 = 0
0 + -8x = 21 + -53
-8x = 21 + -53

Combine like terms: 21 + -53 = -32
-8x = -32

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

Simplifying
x = 4

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