7a+b=-5(a-b)

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Solution for 7a+b=-5(a-b) equation:


Simplifying
7a + b = -5(a + -1b)
7a + b = (a * -5 + -1b * -5)
7a + b = (-5a + 5b)

Solving
7a + b = -5a + 5b

Solving for variable 'a'.

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

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

Combine like terms: 7a + 5a = 12a
12a + b = -5a + 5a + 5b

Combine like terms: -5a + 5a = 0
12a + b = 0 + 5b
12a + b = 5b

Add '-1b' to each side of the equation.
12a + b + -1b = 5b + -1b

Combine like terms: b + -1b = 0
12a + 0 = 5b + -1b
12a = 5b + -1b

Combine like terms: 5b + -1b = 4b
12a = 4b

Divide each side by '12'.
a = 0.3333333333b

Simplifying
a = 0.3333333333b

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