5a-7b=4

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Solution for 5a-7b=4 equation: 


Simplifying
5a + -7b = 4

Solving
5a + -7b = 4

Solving for variable 'a'.

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

Add '7b' to each side of the equation.
5a + -7b + 7b = 4 + 7b

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

Divide each side by '5'.
a = 0.8 + 1.4b

Simplifying
a = 0.8 + 1.4b

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