3b-7=7b+5

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Solution for 3b-7=7b+5 equation:


Simplifying
3b + -7 = 7b + 5

Reorder the terms:
-7 + 3b = 7b + 5

Reorder the terms:
-7 + 3b = 5 + 7b

Solving
-7 + 3b = 5 + 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.
-7 + 3b + -7b = 5 + 7b + -7b

Combine like terms: 3b + -7b = -4b
-7 + -4b = 5 + 7b + -7b

Combine like terms: 7b + -7b = 0
-7 + -4b = 5 + 0
-7 + -4b = 5

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

Combine like terms: -7 + 7 = 0
0 + -4b = 5 + 7
-4b = 5 + 7

Combine like terms: 5 + 7 = 12
-4b = 12

Divide each side by '-4'.
b = -3

Simplifying
b = -3

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