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

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


Simplifying
7(5a + 3b) + -4a = 0
(5a * 7 + 3b * 7) + -4a = 0
(35a + 21b) + -4a = 0

Reorder the terms:
35a + -4a + 21b = 0

Combine like terms: 35a + -4a = 31a
31a + 21b = 0

Solving
31a + 21b = 0

Solving for variable 'a'.

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

Add '-21b' to each side of the equation.
31a + 21b + -21b = 0 + -21b

Combine like terms: 21b + -21b = 0
31a + 0 = 0 + -21b
31a = 0 + -21b
Remove the zero:
31a = -21b

Divide each side by '31'.
a = -0.6774193548b

Simplifying
a = -0.6774193548b

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