7a+7b=28

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Solution for 7a+7b=28 equation: 


Simplifying
7a + 7b = 28

Solving
7a + 7b = 28

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.
7a + 7b + -7b = 28 + -7b

Combine like terms: 7b + -7b = 0
7a + 0 = 28 + -7b
7a = 28 + -7b

Divide each side by '7'.
a = 4 + -1b

Simplifying
a = 4 + -1b

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