(3a+6b-7)-(2a-3b+4)=

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Solution for (3a+6b-7)-(2a-3b+4)= equation:


Simplifying
(3a + 6b + -7) + -1(2a + -3b + 4) = 0

Reorder the terms:
(-7 + 3a + 6b) + -1(2a + -3b + 4) = 0

Remove parenthesis around (-7 + 3a + 6b)
-7 + 3a + 6b + -1(2a + -3b + 4) = 0

Reorder the terms:
-7 + 3a + 6b + -1(4 + 2a + -3b) = 0
-7 + 3a + 6b + (4 * -1 + 2a * -1 + -3b * -1) = 0
-7 + 3a + 6b + (-4 + -2a + 3b) = 0

Reorder the terms:
-7 + -4 + 3a + -2a + 6b + 3b = 0

Combine like terms: -7 + -4 = -11
-11 + 3a + -2a + 6b + 3b = 0

Combine like terms: 3a + -2a = 1a
-11 + 1a + 6b + 3b = 0

Combine like terms: 6b + 3b = 9b
-11 + 1a + 9b = 0

Solving
-11 + 1a + 9b = 0

Solving for variable 'a'.

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

Add '11' to each side of the equation.
-11 + 1a + 11 + 9b = 0 + 11

Reorder the terms:
-11 + 11 + 1a + 9b = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 1a + 9b = 0 + 11
1a + 9b = 0 + 11

Combine like terms: 0 + 11 = 11
1a + 9b = 11

Add '-9b' to each side of the equation.
1a + 9b + -9b = 11 + -9b

Combine like terms: 9b + -9b = 0
1a + 0 = 11 + -9b
1a = 11 + -9b

Divide each side by '1'.
a = 11 + -9b

Simplifying
a = 11 + -9b

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