75+2a=100-2a

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Solution for 75+2a=100-2a equation:


Simplifying
75 + 2a = 100 + -2a

Solving
75 + 2a = 100 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
75 + 2a + 2a = 100 + -2a + 2a

Combine like terms: 2a + 2a = 4a
75 + 4a = 100 + -2a + 2a

Combine like terms: -2a + 2a = 0
75 + 4a = 100 + 0
75 + 4a = 100

Add '-75' to each side of the equation.
75 + -75 + 4a = 100 + -75

Combine like terms: 75 + -75 = 0
0 + 4a = 100 + -75
4a = 100 + -75

Combine like terms: 100 + -75 = 25
4a = 25

Divide each side by '4'.
a = 6.25

Simplifying
a = 6.25

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