21=15x-3

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Solution for 21=15x-3 equation:


Simplifying
21 = 15x + -3

Reorder the terms:
21 = -3 + 15x

Solving
21 = -3 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
21 + -15x = -3 + 15x + -15x

Combine like terms: 15x + -15x = 0
21 + -15x = -3 + 0
21 + -15x = -3

Add '-21' to each side of the equation.
21 + -21 + -15x = -3 + -21

Combine like terms: 21 + -21 = 0
0 + -15x = -3 + -21
-15x = -3 + -21

Combine like terms: -3 + -21 = -24
-15x = -24

Divide each side by '-15'.
x = 1.6

Simplifying
x = 1.6

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