f(-2a)=-4(3)+7

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Solution for f(-2a)=-4(3)+7 equation: 


Simplifying
f(-2a) = -4(3) + 7

Remove parenthesis around (-2a)
f * -2a = -4(3) + 7

Reorder the terms for easier multiplication:
-2f * a = -4(3) + 7

Multiply f * a
-2af = -4(3) + 7

Multiply -4 * 3
-2af = -12 + 7

Combine like terms: -12 + 7 = -5
-2af = -5

Solving
-2af = -5

Solving for variable 'a'.

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

Divide each side by '-2f'.
a = 2.5f-1

Simplifying
a = 2.5f-1

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