240=2a+2(a-80)

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Solution for 240=2a+2(a-80) equation:


Simplifying
240 = 2a + 2(a + -80)

Reorder the terms:
240 = 2a + 2(-80 + a)
240 = 2a + (-80 * 2 + a * 2)
240 = 2a + (-160 + 2a)

Reorder the terms:
240 = -160 + 2a + 2a

Combine like terms: 2a + 2a = 4a
240 = -160 + 4a

Solving
240 = -160 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
240 + -4a = -160 + 4a + -4a

Combine like terms: 4a + -4a = 0
240 + -4a = -160 + 0
240 + -4a = -160

Add '-240' to each side of the equation.
240 + -240 + -4a = -160 + -240

Combine like terms: 240 + -240 = 0
0 + -4a = -160 + -240
-4a = -160 + -240

Combine like terms: -160 + -240 = -400
-4a = -400

Divide each side by '-4'.
a = 100

Simplifying
a = 100

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