(3x^2)+(7x^2)-ax+5=0

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Solution for (3x^2)+(7x^2)-ax+5=0 equation:


Simplifying
(3x2) + (7x2) + -1ax + 5 = 0

Reorder the terms:
5 + -1ax + (3x2) + (7x2) = 0

Combine like terms: (3x2) + (7x2) = 10x2
5 + -1ax + 10x2 = 0

Solving
5 + -1ax + 10x2 = 0

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -1ax + -5 + 10x2 = 0 + -5

Reorder the terms:
5 + -5 + -1ax + 10x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -1ax + 10x2 = 0 + -5
-1ax + 10x2 = 0 + -5

Combine like terms: 0 + -5 = -5
-1ax + 10x2 = -5

Add '-10x2' to each side of the equation.
-1ax + 10x2 + -10x2 = -5 + -10x2

Combine like terms: 10x2 + -10x2 = 0
-1ax + 0 = -5 + -10x2
-1ax = -5 + -10x2

Divide each side by '-1x'.
a = 5x-1 + 10x

Simplifying
a = 5x-1 + 10x

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