5b-7=7b-15

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Solution for 5b-7=7b-15 equation:


Simplifying
5b + -7 = 7b + -15

Reorder the terms:
-7 + 5b = 7b + -15

Reorder the terms:
-7 + 5b = -15 + 7b

Solving
-7 + 5b = -15 + 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 + 5b + -7b = -15 + 7b + -7b

Combine like terms: 5b + -7b = -2b
-7 + -2b = -15 + 7b + -7b

Combine like terms: 7b + -7b = 0
-7 + -2b = -15 + 0
-7 + -2b = -15

Add '7' to each side of the equation.
-7 + 7 + -2b = -15 + 7

Combine like terms: -7 + 7 = 0
0 + -2b = -15 + 7
-2b = -15 + 7

Combine like terms: -15 + 7 = -8
-2b = -8

Divide each side by '-2'.
b = 4

Simplifying
b = 4

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