7(2a+5b)+5(4a+b)=

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Solution for 7(2a+5b)+5(4a+b)= equation:


Simplifying
7(2a + 5b) + 5(4a + b) = 0
(2a * 7 + 5b * 7) + 5(4a + b) = 0
(14a + 35b) + 5(4a + b) = 0
14a + 35b + (4a * 5 + b * 5) = 0
14a + 35b + (20a + 5b) = 0

Reorder the terms:
14a + 20a + 35b + 5b = 0

Combine like terms: 14a + 20a = 34a
34a + 35b + 5b = 0

Combine like terms: 35b + 5b = 40b
34a + 40b = 0

Solving
34a + 40b = 0

Solving for variable 'a'.

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

Add '-40b' to each side of the equation.
34a + 40b + -40b = 0 + -40b

Combine like terms: 40b + -40b = 0
34a + 0 = 0 + -40b
34a = 0 + -40b
Remove the zero:
34a = -40b

Divide each side by '34'.
a = -1.176470588b

Simplifying
a = -1.176470588b

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