40+5b=7b+4

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Solution for 40+5b=7b+4 equation:


Simplifying
40 + 5b = 7b + 4

Reorder the terms:
40 + 5b = 4 + 7b

Solving
40 + 5b = 4 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
40 + 5b + -7b = 4 + 7b + -7b

Combine like terms: 5b + -7b = -2b
40 + -2b = 4 + 7b + -7b

Combine like terms: 7b + -7b = 0
40 + -2b = 4 + 0
40 + -2b = 4

Add '-40' to each side of the equation.
40 + -40 + -2b = 4 + -40

Combine like terms: 40 + -40 = 0
0 + -2b = 4 + -40
-2b = 4 + -40

Combine like terms: 4 + -40 = -36
-2b = -36

Divide each side by '-2'.
b = 18

Simplifying
b = 18

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