2b-8=7b+4

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Solution for 2b-8=7b+4 equation:


Simplifying
2b + -8 = 7b + 4

Reorder the terms:
-8 + 2b = 7b + 4

Reorder the terms:
-8 + 2b = 4 + 7b

Solving
-8 + 2b = 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.
-8 + 2b + -7b = 4 + 7b + -7b

Combine like terms: 2b + -7b = -5b
-8 + -5b = 4 + 7b + -7b

Combine like terms: 7b + -7b = 0
-8 + -5b = 4 + 0
-8 + -5b = 4

Add '8' to each side of the equation.
-8 + 8 + -5b = 4 + 8

Combine like terms: -8 + 8 = 0
0 + -5b = 4 + 8
-5b = 4 + 8

Combine like terms: 4 + 8 = 12
-5b = 12

Divide each side by '-5'.
b = -2.4

Simplifying
b = -2.4

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