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

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


Simplifying
7(5a + 4b) + 4(5a + 2b) = 0
(5a * 7 + 4b * 7) + 4(5a + 2b) = 0
(35a + 28b) + 4(5a + 2b) = 0
35a + 28b + (5a * 4 + 2b * 4) = 0
35a + 28b + (20a + 8b) = 0

Reorder the terms:
35a + 20a + 28b + 8b = 0

Combine like terms: 35a + 20a = 55a
55a + 28b + 8b = 0

Combine like terms: 28b + 8b = 36b
55a + 36b = 0

Solving
55a + 36b = 0

Solving for variable 'a'.

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

Add '-36b' to each side of the equation.
55a + 36b + -36b = 0 + -36b

Combine like terms: 36b + -36b = 0
55a + 0 = 0 + -36b
55a = 0 + -36b
Remove the zero:
55a = -36b

Divide each side by '55'.
a = -0.6545454545b

Simplifying
a = -0.6545454545b

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