2a+6a-b-7=62

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Solution for 2a+6a-b-7=62 equation:


Simplifying
2a + 6a + -1b + -7 = 62

Reorder the terms:
-7 + 2a + 6a + -1b = 62

Combine like terms: 2a + 6a = 8a
-7 + 8a + -1b = 62

Solving
-7 + 8a + -1b = 62

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 8a + 7 + -1b = 62 + 7

Reorder the terms:
-7 + 7 + 8a + -1b = 62 + 7

Combine like terms: -7 + 7 = 0
0 + 8a + -1b = 62 + 7
8a + -1b = 62 + 7

Combine like terms: 62 + 7 = 69
8a + -1b = 69

Add 'b' to each side of the equation.
8a + -1b + b = 69 + b

Combine like terms: -1b + b = 0
8a + 0 = 69 + b
8a = 69 + b

Divide each side by '8'.
a = 8.625 + 0.125b

Simplifying
a = 8.625 + 0.125b

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