85*2-5=a

Solution for 85*2-5=a equation:

Simplifying
85 * 2 + -5 = a

Multiply 85 * 2
170 + -5 = a

Combine like terms: 170 + -5 = 165
165 = a

Solving
165 = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
165 + -1a = a + -1a

Combine like terms: a + -1a = 0
165 + -1a = 0

Add '-165' to each side of the equation.
165 + -165 + -1a = 0 + -165

Combine like terms: 165 + -165 = 0
0 + -1a = 0 + -165
-1a = 0 + -165

Combine like terms: 0 + -165 = -165
-1a = -165

Divide each side by '-1'.
a = 165

Simplifying
a = 165