2a+4b=-7

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Solution for 2a+4b=-7 equation: 


Simplifying
2a + 4b = -7

Solving
2a + 4b = -7

Solving for variable 'a'.

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

Add '-4b' to each side of the equation.
2a + 4b + -4b = -7 + -4b

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

Divide each side by '2'.
a = -3.5 + -2b

Simplifying
a = -3.5 + -2b

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