6(a-3)-(8a-5)=7+3a

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Solution for 6(a-3)-(8a-5)=7+3a equation:


Simplifying
6(a + -3) + -1(8a + -5) = 7 + 3a

Reorder the terms:
6(-3 + a) + -1(8a + -5) = 7 + 3a
(-3 * 6 + a * 6) + -1(8a + -5) = 7 + 3a
(-18 + 6a) + -1(8a + -5) = 7 + 3a

Reorder the terms:
-18 + 6a + -1(-5 + 8a) = 7 + 3a
-18 + 6a + (-5 * -1 + 8a * -1) = 7 + 3a
-18 + 6a + (5 + -8a) = 7 + 3a

Reorder the terms:
-18 + 5 + 6a + -8a = 7 + 3a

Combine like terms: -18 + 5 = -13
-13 + 6a + -8a = 7 + 3a

Combine like terms: 6a + -8a = -2a
-13 + -2a = 7 + 3a

Solving
-13 + -2a = 7 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-13 + -2a + -3a = 7 + 3a + -3a

Combine like terms: -2a + -3a = -5a
-13 + -5a = 7 + 3a + -3a

Combine like terms: 3a + -3a = 0
-13 + -5a = 7 + 0
-13 + -5a = 7

Add '13' to each side of the equation.
-13 + 13 + -5a = 7 + 13

Combine like terms: -13 + 13 = 0
0 + -5a = 7 + 13
-5a = 7 + 13

Combine like terms: 7 + 13 = 20
-5a = 20

Divide each side by '-5'.
a = -4

Simplifying
a = -4

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