3b-21=10b-98

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Solution for 3b-21=10b-98 equation:


Simplifying
3b + -21 = 10b + -98

Reorder the terms:
-21 + 3b = 10b + -98

Reorder the terms:
-21 + 3b = -98 + 10b

Solving
-21 + 3b = -98 + 10b

Solving for variable 'b'.

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

Add '-10b' to each side of the equation.
-21 + 3b + -10b = -98 + 10b + -10b

Combine like terms: 3b + -10b = -7b
-21 + -7b = -98 + 10b + -10b

Combine like terms: 10b + -10b = 0
-21 + -7b = -98 + 0
-21 + -7b = -98

Add '21' to each side of the equation.
-21 + 21 + -7b = -98 + 21

Combine like terms: -21 + 21 = 0
0 + -7b = -98 + 21
-7b = -98 + 21

Combine like terms: -98 + 21 = -77
-7b = -77

Divide each side by '-7'.
b = 11

Simplifying
b = 11

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