The sum of two numbers is 23.The larger number y is 1 less than twice the number x.
2 answers:
Answer: a+(2a-1)=23
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Two equations
23=y+x and y=2x-1
fill in the y and solve
23= 2x-1+x
23=3x-1
+1 +1
24=3x
÷3. ÷3
8=x
fill in the second equation for y
y =2x-1
y=2(8)-1
y=16-1
y=15
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