6*6=4*4+2*a*40

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Solution for 6*6=4*4+2*a*40 equation: 


Simplifying
6 * 6 = 4 * 4 + 2a * 40

Multiply 6 * 6
36 = 4 * 4 + 2a * 40

Multiply 4 * 4
36 = 16 + 2a * 40

Reorder the terms for easier multiplication:
36 = 16 + 2 * 40a

Multiply 2 * 40
36 = 16 + 80a

Solving
36 = 16 + 80a

Solving for variable 'a'.

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

Add '-80a' to each side of the equation.
36 + -80a = 16 + 80a + -80a

Combine like terms: 80a + -80a = 0
36 + -80a = 16 + 0
36 + -80a = 16

Add '-36' to each side of the equation.
36 + -36 + -80a = 16 + -36

Combine like terms: 36 + -36 = 0
0 + -80a = 16 + -36
-80a = 16 + -36

Combine like terms: 16 + -36 = -20
-80a = -20

Divide each side by '-80'.
a = 0.25

Simplifying
a = 0.25

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