189=7(5b-3)

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Solution for 189=7(5b-3) equation:


Simplifying
189 = 7(5b + -3)

Reorder the terms:
189 = 7(-3 + 5b)
189 = (-3 * 7 + 5b * 7)
189 = (-21 + 35b)

Solving
189 = -21 + 35b

Solving for variable 'b'.

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

Add '-35b' to each side of the equation.
189 + -35b = -21 + 35b + -35b

Combine like terms: 35b + -35b = 0
189 + -35b = -21 + 0
189 + -35b = -21

Add '-189' to each side of the equation.
189 + -189 + -35b = -21 + -189

Combine like terms: 189 + -189 = 0
0 + -35b = -21 + -189
-35b = -21 + -189

Combine like terms: -21 + -189 = -210
-35b = -210

Divide each side by '-35'.
b = 6

Simplifying
b = 6

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