Respuesta :

AnimeBrainly

"increased by" means adding (+)

153 + b = 134

Isolate the variable (b). Note the equal sign, what you do to one side, you do to the other.

Subtract 153 from both sides

b + 153 (-153) = 134 (-153)

b = 134 - 153

b = -19

-19 is your answer for b.

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