f(-2)givenf(x)=-3x+9

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Solution for f(-2)givenf(x)=-3x+9 equation: 


Simplifying
f(-2) * givenf(x) = -3x + 9

Reorder the terms for easier multiplication:
-2f * efginv * x = -3x + 9

Multiply f * efginv
-2ef2ginv * x = -3x + 9

Multiply ef2ginv * x
-2ef2ginvx = -3x + 9

Reorder the terms:
-2ef2ginvx = 9 + -3x

Solving
-2ef2ginvx = 9 + -3x

Solving for variable 'e'.

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

Divide each side by '-2f2ginvx'.
e = -4.5f-2g-1i-1n-1v-1x-1 + 1.5f-2g-1i-1n-1v-1

Simplifying
e = -4.5f-2g-1i-1n-1v-1x-1 + 1.5f-2g-1i-1n-1v-1

Reorder the terms:
e = 1.5f-2g-1i-1n-1v-1 + -4.5f-2g-1i-1n-1v-1x-1

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