8(4a-3)-5(5a+4)=19

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Solution for 8(4a-3)-5(5a+4)=19 equation:


Simplifying
8(4a + -3) + -5(5a + 4) = 19

Reorder the terms:
8(-3 + 4a) + -5(5a + 4) = 19
(-3 * 8 + 4a * 8) + -5(5a + 4) = 19
(-24 + 32a) + -5(5a + 4) = 19

Reorder the terms:
-24 + 32a + -5(4 + 5a) = 19
-24 + 32a + (4 * -5 + 5a * -5) = 19
-24 + 32a + (-20 + -25a) = 19

Reorder the terms:
-24 + -20 + 32a + -25a = 19

Combine like terms: -24 + -20 = -44
-44 + 32a + -25a = 19

Combine like terms: 32a + -25a = 7a
-44 + 7a = 19

Solving
-44 + 7a = 19

Solving for variable 'a'.

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

Add '44' to each side of the equation.
-44 + 44 + 7a = 19 + 44

Combine like terms: -44 + 44 = 0
0 + 7a = 19 + 44
7a = 19 + 44

Combine like terms: 19 + 44 = 63
7a = 63

Divide each side by '7'.
a = 9

Simplifying
a = 9

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