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

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


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

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

Reorder the terms:
-7 + 7a = 4(4 + a)
-7 + 7a = (4 * 4 + a * 4)
-7 + 7a = (16 + 4a)

Solving
-7 + 7a = 16 + 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.
-7 + 7a + -4a = 16 + 4a + -4a

Combine like terms: 7a + -4a = 3a
-7 + 3a = 16 + 4a + -4a

Combine like terms: 4a + -4a = 0
-7 + 3a = 16 + 0
-7 + 3a = 16

Add '7' to each side of the equation.
-7 + 7 + 3a = 16 + 7

Combine like terms: -7 + 7 = 0
0 + 3a = 16 + 7
3a = 16 + 7

Combine like terms: 16 + 7 = 23
3a = 23

Divide each side by '3'.
a = 7.666666667

Simplifying
a = 7.666666667

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