3.5a+b=120

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Solution for 3.5a+b=120 equation: 


Simplifying
3.5a + b = 120

Solving
3.5a + b = 120

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.
3.5a + b + -1b = 120 + -1b

Combine like terms: b + -1b = 0
3.5a + 0 = 120 + -1b
3.5a = 120 + -1b

Divide each side by '3.5'.
a = 34.28571429 + -0.2857142857b

Simplifying
a = 34.28571429 + -0.2857142857b

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