0.5a+b=7

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Solution for 0.5a+b=7 equation: 


Simplifying
0.5a + b = 7

Solving
0.5a + b = 7

Solving for variable 'a'.

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

Add '-1b' to each side of the equation.
0.5a + b + -1b = 7 + -1b

Combine like terms: b + -1b = 0
0.5a + 0 = 7 + -1b
0.5a = 7 + -1b

Divide each side by '0.5'.
a = 14 + -2b

Simplifying
a = 14 + -2b

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