2a+5(a-1)=2(a+1)

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Solution for 2a+5(a-1)=2(a+1) equation:


Simplifying
2a + 5(a + -1) = 2(a + 1)

Reorder the terms:
2a + 5(-1 + a) = 2(a + 1)
2a + (-1 * 5 + a * 5) = 2(a + 1)
2a + (-5 + 5a) = 2(a + 1)

Reorder the terms:
-5 + 2a + 5a = 2(a + 1)

Combine like terms: 2a + 5a = 7a
-5 + 7a = 2(a + 1)

Reorder the terms:
-5 + 7a = 2(1 + a)
-5 + 7a = (1 * 2 + a * 2)
-5 + 7a = (2 + 2a)

Solving
-5 + 7a = 2 + 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.
-5 + 7a + -2a = 2 + 2a + -2a

Combine like terms: 7a + -2a = 5a
-5 + 5a = 2 + 2a + -2a

Combine like terms: 2a + -2a = 0
-5 + 5a = 2 + 0
-5 + 5a = 2

Add '5' to each side of the equation.
-5 + 5 + 5a = 2 + 5

Combine like terms: -5 + 5 = 0
0 + 5a = 2 + 5
5a = 2 + 5

Combine like terms: 2 + 5 = 7
5a = 7

Divide each side by '5'.
a = 1.4

Simplifying
a = 1.4

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