5.4x+66=7.2x+21

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Solution for 5.4x+66=7.2x+21 equation: 


Simplifying
5.4x + 66 = 7.2x + 21

Reorder the terms:
66 + 5.4x = 7.2x + 21

Reorder the terms:
66 + 5.4x = 21 + 7.2x

Solving
66 + 5.4x = 21 + 7.2x

Solving for variable 'x'.

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

Add '-7.2x' to each side of the equation.
66 + 5.4x + -7.2x = 21 + 7.2x + -7.2x

Combine like terms: 5.4x + -7.2x = -1.8x
66 + -1.8x = 21 + 7.2x + -7.2x

Combine like terms: 7.2x + -7.2x = 0.0
66 + -1.8x = 21 + 0.0
66 + -1.8x = 21

Add '-66' to each side of the equation.
66 + -66 + -1.8x = 21 + -66

Combine like terms: 66 + -66 = 0
0 + -1.8x = 21 + -66
-1.8x = 21 + -66

Combine like terms: 21 + -66 = -45
-1.8x = -45

Divide each side by '-1.8'.
x = 25

Simplifying
x = 25

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