2 answers:
Answer:
x=22
Step-by-step explanation:
They are put in ratio form so

so crisscross them
7 (2x+1)=15 (x-1)
14x+7=15x-15(collect the like terms)
14x-15x=-15-7
-x=-22 (divide both sides by -1 to find x)
x=22
(2 x + 1):15=(x-1):7
7(2x+1)=15(x-1)
14x+7=15x-15
14x-15x=-15-7
-x=-22
x=22
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Answer:
b
Step-by-step explanation: