3a+5b=7a+2b

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


Simplifying
3a + 5b = 7a + 2b

Solving
3a + 5b = 7a + 2b

Solving for variable 'a'.

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

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

Combine like terms: 3a + -7a = -4a
-4a + 5b = 7a + -7a + 2b

Combine like terms: 7a + -7a = 0
-4a + 5b = 0 + 2b
-4a + 5b = 2b

Add '-5b' to each side of the equation.
-4a + 5b + -5b = 2b + -5b

Combine like terms: 5b + -5b = 0
-4a + 0 = 2b + -5b
-4a = 2b + -5b

Combine like terms: 2b + -5b = -3b
-4a = -3b

Divide each side by '-4'.
a = 0.75b

Simplifying
a = 0.75b

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