7y+4b=25+4*7-by

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Solution for 7y+4b=25+4*7-by equation:


Simplifying
7y + 4b = 25 + 4 * 7 + -1by

Reorder the terms:
4b + 7y = 25 + 4 * 7 + -1by

Multiply 4 * 7
4b + 7y = 25 + 28 + -1by

Combine like terms: 25 + 28 = 53
4b + 7y = 53 + -1by

Solving
4b + 7y = 53 + -1by

Solving for variable 'b'.

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

Add 'by' to each side of the equation.
4b + by + 7y = 53 + -1by + by

Combine like terms: -1by + by = 0
4b + by + 7y = 53 + 0
4b + by + 7y = 53

Add '-7y' to each side of the equation.
4b + by + 7y + -7y = 53 + -7y

Combine like terms: 7y + -7y = 0
4b + by + 0 = 53 + -7y
4b + by = 53 + -7y

Reorder the terms:
-53 + 4b + by + 7y = 53 + -7y + -53 + 7y

Reorder the terms:
-53 + 4b + by + 7y = 53 + -53 + -7y + 7y

Combine like terms: 53 + -53 = 0
-53 + 4b + by + 7y = 0 + -7y + 7y
-53 + 4b + by + 7y = -7y + 7y

Combine like terms: -7y + 7y = 0
-53 + 4b + by + 7y = 0

The solution to this equation could not be determined.

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