3a+5b+2c=7

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Solution for 3a+5b+2c=7 equation: 


Simplifying
3a + 5b + 2c = 7

Solving
3a + 5b + 2c = 7

Solving for variable 'a'.

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

Add '-5b' to each side of the equation.
3a + 5b + -5b + 2c = 7 + -5b

Combine like terms: 5b + -5b = 0
3a + 0 + 2c = 7 + -5b
3a + 2c = 7 + -5b

Add '-2c' to each side of the equation.
3a + 2c + -2c = 7 + -5b + -2c

Combine like terms: 2c + -2c = 0
3a + 0 = 7 + -5b + -2c
3a = 7 + -5b + -2c

Divide each side by '3'.
a = 2.333333333 + -1.666666667b + -0.6666666667c

Simplifying
a = 2.333333333 + -1.666666667b + -0.6666666667c

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