4.5(x-2)=0.5x+21

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Solution for 4.5(x-2)=0.5x+21 equation:


Simplifying
4.5(x + -2) = 0.5x + 21

Reorder the terms:
4.5(-2 + x) = 0.5x + 21
(-2 * 4.5 + x * 4.5) = 0.5x + 21
(-9 + 4.5x) = 0.5x + 21

Reorder the terms:
-9 + 4.5x = 21 + 0.5x

Solving
-9 + 4.5x = 21 + 0.5x

Solving for variable 'x'.

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

Add '-0.5x' to each side of the equation.
-9 + 4.5x + -0.5x = 21 + 0.5x + -0.5x

Combine like terms: 4.5x + -0.5x = 4x
-9 + 4x = 21 + 0.5x + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
-9 + 4x = 21 + 0.0
-9 + 4x = 21

Add '9' to each side of the equation.
-9 + 9 + 4x = 21 + 9

Combine like terms: -9 + 9 = 0
0 + 4x = 21 + 9
4x = 21 + 9

Combine like terms: 21 + 9 = 30
4x = 30

Divide each side by '4'.
x = 7.5

Simplifying
x = 7.5

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