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

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


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

Reorder the terms:
-7(-3 + 2a) + 4(a + 3) = -4a + 5a
(-3 * -7 + 2a * -7) + 4(a + 3) = -4a + 5a
(21 + -14a) + 4(a + 3) = -4a + 5a

Reorder the terms:
21 + -14a + 4(3 + a) = -4a + 5a
21 + -14a + (3 * 4 + a * 4) = -4a + 5a
21 + -14a + (12 + 4a) = -4a + 5a

Reorder the terms:
21 + 12 + -14a + 4a = -4a + 5a

Combine like terms: 21 + 12 = 33
33 + -14a + 4a = -4a + 5a

Combine like terms: -14a + 4a = -10a
33 + -10a = -4a + 5a

Combine like terms: -4a + 5a = 1a
33 + -10a = 1a

Solving
33 + -10a = 1a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
33 + -10a + -1a = 1a + -1a

Combine like terms: -10a + -1a = -11a
33 + -11a = 1a + -1a

Combine like terms: 1a + -1a = 0
33 + -11a = 0

Add '-33' to each side of the equation.
33 + -33 + -11a = 0 + -33

Combine like terms: 33 + -33 = 0
0 + -11a = 0 + -33
-11a = 0 + -33

Combine like terms: 0 + -33 = -33
-11a = -33

Divide each side by '-11'.
a = 3

Simplifying
a = 3

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