15=2.4x-21

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Solution for 15=2.4x-21 equation:


Simplifying
15 = 2.4x + -21

Reorder the terms:
15 = -21 + 2.4x

Solving
15 = -21 + 2.4x

Solving for variable 'x'.

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

Add '-2.4x' to each side of the equation.
15 + -2.4x = -21 + 2.4x + -2.4x

Combine like terms: 2.4x + -2.4x = 0.0
15 + -2.4x = -21 + 0.0
15 + -2.4x = -21

Add '-15' to each side of the equation.
15 + -15 + -2.4x = -21 + -15

Combine like terms: 15 + -15 = 0
0 + -2.4x = -21 + -15
-2.4x = -21 + -15

Combine like terms: -21 + -15 = -36
-2.4x = -36

Divide each side by '-2.4'.
x = 15

Simplifying
x = 15

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