a+b+b+b+70+80=100

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Solution for a+b+b+b+70+80=100 equation:


Simplifying
a + b + b + b + 70 + 80 = 100

Reorder the terms:
70 + 80 + a + b + b + b = 100

Combine like terms: 70 + 80 = 150
150 + a + b + b + b = 100

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

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

Solving
150 + a + 3b = 100

Solving for variable 'a'.

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

Add '-150' to each side of the equation.
150 + a + -150 + 3b = 100 + -150

Reorder the terms:
150 + -150 + a + 3b = 100 + -150

Combine like terms: 150 + -150 = 0
0 + a + 3b = 100 + -150
a + 3b = 100 + -150

Combine like terms: 100 + -150 = -50
a + 3b = -50

Add '-3b' to each side of the equation.
a + 3b + -3b = -50 + -3b

Combine like terms: 3b + -3b = 0
a + 0 = -50 + -3b
a = -50 + -3b

Simplifying
a = -50 + -3b

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