Solve: 9^2x + 1 = 93x – 2
2 answers:
Answer:
x = 1/4
Step-by-step explanation:
Expand the square, then solve the resulting 3-step equation.
81x +1 = 93x -2
1 = 12x -2 . . . . . . . . . subtract 81x
3 = 12x . . . . . . . . . . . add 2
3/12 = 1/4 = x . . . . . . divide by 12 and reduce the fraction
The solution is x = 1/4.
Answer:
x=0.25
Step-by-step explanation:
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Answer:
x= 2 and y= -1
Step-by-step explanation:
x=7 +5y
14+16y=−2
y=−1
Substitute y=-1y=−1 into x=7+5yx=7+5y.
x=2
Answer:
5.6
Step-by-step explanation:
HAve a nice day!
N(75/100)=4.5 multiply both sides by 100
75n=450 divide both sides by 75
n=6cm
-3(6)-2-(-4(6)+10)
-3(6)-2-(-24+10)
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answer is -6
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