2(a-20)+2a=5(a-3)2

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Solution for 2(a-20)+2a=5(a-3)2 equation:


Simplifying
2(a + -20) + 2a = 5(a + -3) * 2

Reorder the terms:
2(-20 + a) + 2a = 5(a + -3) * 2
(-20 * 2 + a * 2) + 2a = 5(a + -3) * 2
(-40 + 2a) + 2a = 5(a + -3) * 2

Combine like terms: 2a + 2a = 4a
-40 + 4a = 5(a + -3) * 2

Reorder the terms:
-40 + 4a = 5(-3 + a) * 2

Reorder the terms for easier multiplication:
-40 + 4a = 5 * 2(-3 + a)

Multiply 5 * 2
-40 + 4a = 10(-3 + a)
-40 + 4a = (-3 * 10 + a * 10)
-40 + 4a = (-30 + 10a)

Solving
-40 + 4a = -30 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
-40 + 4a + -10a = -30 + 10a + -10a

Combine like terms: 4a + -10a = -6a
-40 + -6a = -30 + 10a + -10a

Combine like terms: 10a + -10a = 0
-40 + -6a = -30 + 0
-40 + -6a = -30

Add '40' to each side of the equation.
-40 + 40 + -6a = -30 + 40

Combine like terms: -40 + 40 = 0
0 + -6a = -30 + 40
-6a = -30 + 40

Combine like terms: -30 + 40 = 10
-6a = 10

Divide each side by '-6'.
a = -1.666666667

Simplifying
a = -1.666666667

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