1.the sum of twice the number and 23 is 81.Find the number
2.The sum of half a number and one-fourth of the same number is 6.What is the number?
3.Joseph weighs 30 kilograms plus half of his own weight.How heavy is Joseph weigh?
4.The Length of a rectangle is 4cm more than twice the width.If the perimeter is 38cm what is the dimension of the rectangle?
5.The sum of half a number and eight is 23 What is the number?
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Answer:
1. 2x+23 = 81
2x = 58
x = 29
2.
5
.
Step-by-step explanation: