3a+45b=7a

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Solution for 3a+45b=7a equation:


Simplifying
3a + 45b = 7a

Solving
3a + 45b = 7a

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 + 45b = 7a + -7a

Combine like terms: 3a + -7a = -4a
-4a + 45b = 7a + -7a

Combine like terms: 7a + -7a = 0
-4a + 45b = 0

Add '-45b' to each side of the equation.
-4a + 45b + -45b = 0 + -45b

Combine like terms: 45b + -45b = 0
-4a + 0 = 0 + -45b
-4a = 0 + -45b
Remove the zero:
-4a = -45b

Divide each side by '-4'.
a = 11.25b

Simplifying
a = 11.25b

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