8(a+3-9)-4(2a+5)=2a+4

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Solution for 8(a+3-9)-4(2a+5)=2a+4 equation:


Simplifying
8(a + 3 + -9) + -4(2a + 5) = 2a + 4

Reorder the terms:
8(3 + -9 + a) + -4(2a + 5) = 2a + 4

Combine like terms: 3 + -9 = -6
8(-6 + a) + -4(2a + 5) = 2a + 4
(-6 * 8 + a * 8) + -4(2a + 5) = 2a + 4
(-48 + 8a) + -4(2a + 5) = 2a + 4

Reorder the terms:
-48 + 8a + -4(5 + 2a) = 2a + 4
-48 + 8a + (5 * -4 + 2a * -4) = 2a + 4
-48 + 8a + (-20 + -8a) = 2a + 4

Reorder the terms:
-48 + -20 + 8a + -8a = 2a + 4

Combine like terms: -48 + -20 = -68
-68 + 8a + -8a = 2a + 4

Combine like terms: 8a + -8a = 0
-68 + 0 = 2a + 4
-68 = 2a + 4

Reorder the terms:
-68 = 4 + 2a

Solving
-68 = 4 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-68 + -2a = 4 + 2a + -2a

Combine like terms: 2a + -2a = 0
-68 + -2a = 4 + 0
-68 + -2a = 4

Add '68' to each side of the equation.
-68 + 68 + -2a = 4 + 68

Combine like terms: -68 + 68 = 0
0 + -2a = 4 + 68
-2a = 4 + 68

Combine like terms: 4 + 68 = 72
-2a = 72

Divide each side by '-2'.
a = -36

Simplifying
a = -36

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