7(2a+5b)+7(3a+4b)=

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Solution for 7(2a+5b)+7(3a+4b)= equation:


Simplifying
7(2a + 5b) + 7(3a + 4b) = 0
(2a * 7 + 5b * 7) + 7(3a + 4b) = 0
(14a + 35b) + 7(3a + 4b) = 0
14a + 35b + (3a * 7 + 4b * 7) = 0
14a + 35b + (21a + 28b) = 0

Reorder the terms:
14a + 21a + 35b + 28b = 0

Combine like terms: 14a + 21a = 35a
35a + 35b + 28b = 0

Combine like terms: 35b + 28b = 63b
35a + 63b = 0

Solving
35a + 63b = 0

Solving for variable 'a'.

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

Add '-63b' to each side of the equation.
35a + 63b + -63b = 0 + -63b

Combine like terms: 63b + -63b = 0
35a + 0 = 0 + -63b
35a = 0 + -63b
Remove the zero:
35a = -63b

Divide each side by '35'.
a = -1.8b

Simplifying
a = -1.8b

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