7(a+1)-2a=5+4(2a-1)

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Solution for 7(a+1)-2a=5+4(2a-1) equation:


Simplifying
7(a + 1) + -2a = 5 + 4(2a + -1)

Reorder the terms:
7(1 + a) + -2a = 5 + 4(2a + -1)
(1 * 7 + a * 7) + -2a = 5 + 4(2a + -1)
(7 + 7a) + -2a = 5 + 4(2a + -1)

Combine like terms: 7a + -2a = 5a
7 + 5a = 5 + 4(2a + -1)

Reorder the terms:
7 + 5a = 5 + 4(-1 + 2a)
7 + 5a = 5 + (-1 * 4 + 2a * 4)
7 + 5a = 5 + (-4 + 8a)

Combine like terms: 5 + -4 = 1
7 + 5a = 1 + 8a

Solving
7 + 5a = 1 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
7 + 5a + -8a = 1 + 8a + -8a

Combine like terms: 5a + -8a = -3a
7 + -3a = 1 + 8a + -8a

Combine like terms: 8a + -8a = 0
7 + -3a = 1 + 0
7 + -3a = 1

Add '-7' to each side of the equation.
7 + -7 + -3a = 1 + -7

Combine like terms: 7 + -7 = 0
0 + -3a = 1 + -7
-3a = 1 + -7

Combine like terms: 1 + -7 = -6
-3a = -6

Divide each side by '-3'.
a = 2

Simplifying
a = 2

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