1/4 h + 9 = 3/4 h - 7
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try to get the unknown by itself
we hates fractions
times everybody by 4
h+36=3h-28
minus h both sides
36=2h-28
add 28 both sides
64=2h
divide both sides by 2
32=h
-1/2 h = -16
h = 32
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The expression equivalent to (7x-5)-(3x-2) is 4x-3
What is an expression?
An expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.
Given is an expression (7x-5)-(3x-2), we need to find an expression equivalent to it,
= (7x-5)-(3x-2)
Opening the brackets and multiply by - sign,
= 7x-5-3x+2
Combine the like terms,
= 4x-3
Hence, the expression equivalent to (7x-5)-(3x-2) is 4x-3
Learn more about expressions, click;
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2/10 (money for story) + 3/10 (26.80 dollars to brother)= 1/2 of his money
3/10x=26.80 268=3x ; x= 89.33333....
89.33 X 5/10= answer
money left= (roughly) 44.67
1/2 = 5/10
2/10 of his money on a story book.
Storybook is the variable x
$26.80 to his brother (5/10 of his money left)
5/10-2/10 = 3/10
$26.80x3/10= 8.04
He had $8.04 left.
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Answer:
10 centimeters
Step-by-step explanation:
Kindly refer to the attached image for explanations