48=9x+21

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Solution for 48=9x+21 equation:


Simplifying
48 = 9x + 21

Reorder the terms:
48 = 21 + 9x

Solving
48 = 21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
48 + -9x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
48 + -9x = 21 + 0
48 + -9x = 21

Add '-48' to each side of the equation.
48 + -48 + -9x = 21 + -48

Combine like terms: 48 + -48 = 0
0 + -9x = 21 + -48
-9x = 21 + -48

Combine like terms: 21 + -48 = -27
-9x = -27

Divide each side by '-9'.
x = 3

Simplifying
x = 3

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