7a(x+2y)-b(x+2y)=

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Solution for 7a(x+2y)-b(x+2y)= equation:


Simplifying
7a(x + 2y) + -1b(x + 2y) = 0
(x * 7a + 2y * 7a) + -1b(x + 2y) = 0
(7ax + 14ay) + -1b(x + 2y) = 0
7ax + 14ay + (x * -1b + 2y * -1b) = 0
7ax + 14ay + (-1bx + -2by) = 0

Solving
7ax + 14ay + -1bx + -2by = 0

Solving for variable 'a'.

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

Add 'bx' to each side of the equation.
7ax + 14ay + -1bx + bx + -2by = 0 + bx

Combine like terms: -1bx + bx = 0
7ax + 14ay + 0 + -2by = 0 + bx
7ax + 14ay + -2by = 0 + bx
Remove the zero:
7ax + 14ay + -2by = bx

Add '2by' to each side of the equation.
7ax + 14ay + -2by + 2by = bx + 2by

Combine like terms: -2by + 2by = 0
7ax + 14ay + 0 = bx + 2by
7ax + 14ay = bx + 2by

Reorder the terms:
7ax + 14ay + -1bx + -2by = bx + -1bx + 2by + -2by

Combine like terms: bx + -1bx = 0
7ax + 14ay + -1bx + -2by = 0 + 2by + -2by
7ax + 14ay + -1bx + -2by = 2by + -2by

Combine like terms: 2by + -2by = 0
7ax + 14ay + -1bx + -2by = 0

The solution to this equation could not be determined.

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