a+2b+3c+4d=30

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Solution for a+2b+3c+4d=30 equation:


Simplifying
a + 2b + 3c + 4d = 30

Solving
a + 2b + 3c + 4d = 30

Solving for variable 'a'.

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

Add '-2b' to each side of the equation.
a + 2b + 3c + -2b + 4d = 30 + -2b

Reorder the terms:
a + 2b + -2b + 3c + 4d = 30 + -2b

Combine like terms: 2b + -2b = 0
a + 0 + 3c + 4d = 30 + -2b
a + 3c + 4d = 30 + -2b

Add '-3c' to each side of the equation.
a + 3c + -3c + 4d = 30 + -2b + -3c

Combine like terms: 3c + -3c = 0
a + 0 + 4d = 30 + -2b + -3c
a + 4d = 30 + -2b + -3c

Add '-4d' to each side of the equation.
a + 4d + -4d = 30 + -2b + -3c + -4d

Combine like terms: 4d + -4d = 0
a + 0 = 30 + -2b + -3c + -4d
a = 30 + -2b + -3c + -4d

Simplifying
a = 30 + -2b + -3c + -4d

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