2(a-15)=-2(a-3)

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Solution for 2(a-15)=-2(a-3) equation:


Simplifying
2(a + -15) = -2(a + -3)

Reorder the terms:
2(-15 + a) = -2(a + -3)
(-15 * 2 + a * 2) = -2(a + -3)
(-30 + 2a) = -2(a + -3)

Reorder the terms:
-30 + 2a = -2(-3 + a)
-30 + 2a = (-3 * -2 + a * -2)
-30 + 2a = (6 + -2a)

Solving
-30 + 2a = 6 + -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.
-30 + 2a + 2a = 6 + -2a + 2a

Combine like terms: 2a + 2a = 4a
-30 + 4a = 6 + -2a + 2a

Combine like terms: -2a + 2a = 0
-30 + 4a = 6 + 0
-30 + 4a = 6

Add '30' to each side of the equation.
-30 + 30 + 4a = 6 + 30

Combine like terms: -30 + 30 = 0
0 + 4a = 6 + 30
4a = 6 + 30

Combine like terms: 6 + 30 = 36
4a = 36

Divide each side by '4'.
a = 9

Simplifying
a = 9

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