2z+5z+b-7=

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Solution for 2z+5z+b-7= equation:


Simplifying
2z + 5z + b + -7 = 0

Reorder the terms:
-7 + b + 2z + 5z = 0

Combine like terms: 2z + 5z = 7z
-7 + b + 7z = 0

Solving
-7 + b + 7z = 0

Solving for variable 'b'.

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

Add '7' to each side of the equation.
-7 + b + 7 + 7z = 0 + 7

Reorder the terms:
-7 + 7 + b + 7z = 0 + 7

Combine like terms: -7 + 7 = 0
0 + b + 7z = 0 + 7
b + 7z = 0 + 7

Combine like terms: 0 + 7 = 7
b + 7z = 7

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

Combine like terms: 7z + -7z = 0
b + 0 = 7 + -7z
b = 7 + -7z

Simplifying
b = 7 + -7z

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