a+b+b+b+80+90=1200

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Solution for a+b+b+b+80+90=1200 equation:


Simplifying
a + b + b + b + 80 + 90 = 1200

Reorder the terms:
80 + 90 + a + b + b + b = 1200

Combine like terms: 80 + 90 = 170
170 + a + b + b + b = 1200

Combine like terms: b + b = 2b
170 + a + 2b + b = 1200

Combine like terms: 2b + b = 3b
170 + a + 3b = 1200

Solving
170 + a + 3b = 1200

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 + a + -170 + 3b = 1200 + -170

Reorder the terms:
170 + -170 + a + 3b = 1200 + -170

Combine like terms: 170 + -170 = 0
0 + a + 3b = 1200 + -170
a + 3b = 1200 + -170

Combine like terms: 1200 + -170 = 1030
a + 3b = 1030

Add '-3b' to each side of the equation.
a + 3b + -3b = 1030 + -3b

Combine like terms: 3b + -3b = 0
a + 0 = 1030 + -3b
a = 1030 + -3b

Simplifying
a = 1030 + -3b

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