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

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


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

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

Reorder the terms:
-4 + -5 + 4a = 3a + 7

Combine like terms: -4 + -5 = -9
-9 + 4a = 3a + 7

Reorder the terms:
-9 + 4a = 7 + 3a

Solving
-9 + 4a = 7 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-9 + 4a + -3a = 7 + 3a + -3a

Combine like terms: 4a + -3a = 1a
-9 + 1a = 7 + 3a + -3a

Combine like terms: 3a + -3a = 0
-9 + 1a = 7 + 0
-9 + 1a = 7

Add '9' to each side of the equation.
-9 + 9 + 1a = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 1a = 7 + 9
1a = 7 + 9

Combine like terms: 7 + 9 = 16
1a = 16

Divide each side by '1'.
a = 16

Simplifying
a = 16

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