a+a+a+b+90+80=100

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Solution for a+a+a+b+90+80=100 equation:


Simplifying
a + a + a + b + 90 + 80 = 100

Reorder the terms:
90 + 80 + a + a + a + b = 100

Combine like terms: 90 + 80 = 170
170 + a + a + a + b = 100

Combine like terms: a + a = 2a
170 + 2a + a + b = 100

Combine like terms: 2a + a = 3a
170 + 3a + b = 100

Solving
170 + 3a + b = 100

Solving for variable 'a'.

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

Add '-170' to each side of the equation.
170 + 3a + -170 + b = 100 + -170

Reorder the terms:
170 + -170 + 3a + b = 100 + -170

Combine like terms: 170 + -170 = 0
0 + 3a + b = 100 + -170
3a + b = 100 + -170

Combine like terms: 100 + -170 = -70
3a + b = -70

Add '-1b' to each side of the equation.
3a + b + -1b = -70 + -1b

Combine like terms: b + -1b = 0
3a + 0 = -70 + -1b
3a = -70 + -1b

Divide each side by '3'.
a = -23.33333333 + -0.3333333333b

Simplifying
a = -23.33333333 + -0.3333333333b

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