7(a+1)-3=5+4(2a-1)

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Solution for 7(a+1)-3=5+4(2a-1) equation:


Simplifying
7(a + 1) + -3 = 5 + 4(2a + -1)

Reorder the terms:
7(1 + a) + -3 = 5 + 4(2a + -1)
(1 * 7 + a * 7) + -3 = 5 + 4(2a + -1)
(7 + 7a) + -3 = 5 + 4(2a + -1)

Reorder the terms:
7 + -3 + 7a = 5 + 4(2a + -1)

Combine like terms: 7 + -3 = 4
4 + 7a = 5 + 4(2a + -1)

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

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

Solving
4 + 7a = 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.
4 + 7a + -8a = 1 + 8a + -8a

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

Combine like terms: 8a + -8a = 0
4 + -1a = 1 + 0
4 + -1a = 1

Add '-4' to each side of the equation.
4 + -4 + -1a = 1 + -4

Combine like terms: 4 + -4 = 0
0 + -1a = 1 + -4
-1a = 1 + -4

Combine like terms: 1 + -4 = -3
-1a = -3

Divide each side by '-1'.
a = 3

Simplifying
a = 3

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