10(a-4)-28(a-2)=14(5a+20)

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Solution for 10(a-4)-28(a-2)=14(5a+20) equation:


Simplifying
10(a + -4) + -28(a + -2) = 14(5a + 20)

Reorder the terms:
10(-4 + a) + -28(a + -2) = 14(5a + 20)
(-4 * 10 + a * 10) + -28(a + -2) = 14(5a + 20)
(-40 + 10a) + -28(a + -2) = 14(5a + 20)

Reorder the terms:
-40 + 10a + -28(-2 + a) = 14(5a + 20)
-40 + 10a + (-2 * -28 + a * -28) = 14(5a + 20)
-40 + 10a + (56 + -28a) = 14(5a + 20)

Reorder the terms:
-40 + 56 + 10a + -28a = 14(5a + 20)

Combine like terms: -40 + 56 = 16
16 + 10a + -28a = 14(5a + 20)

Combine like terms: 10a + -28a = -18a
16 + -18a = 14(5a + 20)

Reorder the terms:
16 + -18a = 14(20 + 5a)
16 + -18a = (20 * 14 + 5a * 14)
16 + -18a = (280 + 70a)

Solving
16 + -18a = 280 + 70a

Solving for variable 'a'.

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

Add '-70a' to each side of the equation.
16 + -18a + -70a = 280 + 70a + -70a

Combine like terms: -18a + -70a = -88a
16 + -88a = 280 + 70a + -70a

Combine like terms: 70a + -70a = 0
16 + -88a = 280 + 0
16 + -88a = 280

Add '-16' to each side of the equation.
16 + -16 + -88a = 280 + -16

Combine like terms: 16 + -16 = 0
0 + -88a = 280 + -16
-88a = 280 + -16

Combine like terms: 280 + -16 = 264
-88a = 264

Divide each side by '-88'.
a = -3

Simplifying
a = -3

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