0.5+0.7(40-a)=24.8

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Solution for 0.5+0.7(40-a)=24.8 equation: 


Simplifying
0.5 + 0.7(40 + -1a) = 24.8
0.5 + (40 * 0.7 + -1a * 0.7) = 24.8
0.5 + (28 + -0.7a) = 24.8

Combine like terms: 0.5 + 28 = 28.5
28.5 + -0.7a = 24.8

Solving
28.5 + -0.7a = 24.8

Solving for variable 'a'.

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

Add '-28.5' to each side of the equation.
28.5 + -28.5 + -0.7a = 24.8 + -28.5

Combine like terms: 28.5 + -28.5 = 0.0
0.0 + -0.7a = 24.8 + -28.5
-0.7a = 24.8 + -28.5

Combine like terms: 24.8 + -28.5 = -3.7
-0.7a = -3.7

Divide each side by '-0.7'.
a = 5.285714286

Simplifying
a = 5.285714286

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