7(5a+9)+5(2+a)=

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Solution for 7(5a+9)+5(2+a)= equation:


Simplifying
7(5a + 9) + 5(2 + a) = 0

Reorder the terms:
7(9 + 5a) + 5(2 + a) = 0
(9 * 7 + 5a * 7) + 5(2 + a) = 0
(63 + 35a) + 5(2 + a) = 0
63 + 35a + (2 * 5 + a * 5) = 0
63 + 35a + (10 + 5a) = 0

Reorder the terms:
63 + 10 + 35a + 5a = 0

Combine like terms: 63 + 10 = 73
73 + 35a + 5a = 0

Combine like terms: 35a + 5a = 40a
73 + 40a = 0

Solving
73 + 40a = 0

Solving for variable 'a'.

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

Add '-73' to each side of the equation.
73 + -73 + 40a = 0 + -73

Combine like terms: 73 + -73 = 0
0 + 40a = 0 + -73
40a = 0 + -73

Combine like terms: 0 + -73 = -73
40a = -73

Divide each side by '40'.
a = -1.825

Simplifying
a = -1.825

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