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

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


Simplifying
7(2a + 3b) + 4(-5a + 2b) = 0
(2a * 7 + 3b * 7) + 4(-5a + 2b) = 0
(14a + 21b) + 4(-5a + 2b) = 0
14a + 21b + (-5a * 4 + 2b * 4) = 0
14a + 21b + (-20a + 8b) = 0

Reorder the terms:
14a + -20a + 21b + 8b = 0

Combine like terms: 14a + -20a = -6a
-6a + 21b + 8b = 0

Combine like terms: 21b + 8b = 29b
-6a + 29b = 0

Solving
-6a + 29b = 0

Solving for variable 'a'.

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

Add '-29b' to each side of the equation.
-6a + 29b + -29b = 0 + -29b

Combine like terms: 29b + -29b = 0
-6a + 0 = 0 + -29b
-6a = 0 + -29b
Remove the zero:
-6a = -29b

Divide each side by '-6'.
a = 4.833333333b

Simplifying
a = 4.833333333b

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