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

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Solution for 8(a-1)=7(a+7) equation:


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

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

Reorder the terms:
-8 + 8a = 7(7 + a)
-8 + 8a = (7 * 7 + a * 7)
-8 + 8a = (49 + 7a)

Solving
-8 + 8a = 49 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-8 + 8a + -7a = 49 + 7a + -7a

Combine like terms: 8a + -7a = 1a
-8 + 1a = 49 + 7a + -7a

Combine like terms: 7a + -7a = 0
-8 + 1a = 49 + 0
-8 + 1a = 49

Add '8' to each side of the equation.
-8 + 8 + 1a = 49 + 8

Combine like terms: -8 + 8 = 0
0 + 1a = 49 + 8
1a = 49 + 8

Combine like terms: 49 + 8 = 57
1a = 57

Divide each side by '1'.
a = 57

Simplifying
a = 57

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