(-7x^3+5ax-3)+(7x^3+5-9ax)=

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Solution for (-7x^3+5ax-3)+(7x^3+5-9ax)= equation:


Simplifying
(-7x3 + 5ax + -3) + (7x3 + 5 + -9ax) = 0

Reorder the terms:
(-3 + 5ax + -7x3) + (7x3 + 5 + -9ax) = 0

Remove parenthesis around (-3 + 5ax + -7x3)
-3 + 5ax + -7x3 + (7x3 + 5 + -9ax) = 0

Reorder the terms:
-3 + 5ax + -7x3 + (5 + -9ax + 7x3) = 0

Remove parenthesis around (5 + -9ax + 7x3)
-3 + 5ax + -7x3 + 5 + -9ax + 7x3 = 0

Reorder the terms:
-3 + 5 + 5ax + -9ax + -7x3 + 7x3 = 0

Combine like terms: -3 + 5 = 2
2 + 5ax + -9ax + -7x3 + 7x3 = 0

Combine like terms: 5ax + -9ax = -4ax
2 + -4ax + -7x3 + 7x3 = 0

Combine like terms: -7x3 + 7x3 = 0
2 + -4ax + 0 = 0
2 + -4ax = 0

Solving
2 + -4ax = 0

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + -4ax = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -4ax = 0 + -2
-4ax = 0 + -2

Combine like terms: 0 + -2 = -2
-4ax = -2

Divide each side by '-4x'.
a = 0.5x-1

Simplifying
a = 0.5x-1

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