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

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


Simplifying
(7a + -4b) + -1(2a + 3b) = 0

Remove parenthesis around (7a + -4b)
7a + -4b + -1(2a + 3b) = 0
7a + -4b + (2a * -1 + 3b * -1) = 0
7a + -4b + (-2a + -3b) = 0

Reorder the terms:
7a + -2a + -4b + -3b = 0

Combine like terms: 7a + -2a = 5a
5a + -4b + -3b = 0

Combine like terms: -4b + -3b = -7b
5a + -7b = 0

Solving
5a + -7b = 0

Solving for variable 'a'.

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

Add '7b' to each side of the equation.
5a + -7b + 7b = 0 + 7b

Combine like terms: -7b + 7b = 0
5a + 0 = 0 + 7b
5a = 0 + 7b
Remove the zero:
5a = 7b

Divide each side by '5'.
a = 1.4b

Simplifying
a = 1.4b

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