Answer:
Adults =1500 and student= 2500
Step-by-step explanation:
Step one:
GIven data
let Adults be x and student be y in numbers
so
5x+3y=15000------------1
x+y=4000---------------------2
from 1
x=4000-y, put this in 2, we have
5(4000-y)+3y=15000
20000-5y+3y=15000
-2y=15000-20000
-2y= -5000
2y=5000
divide both sides by 2
y= 2500
put y= 2500 in 2
x+2500= 4000
x= 4000-2500
x=1500
Answer:9
Step-by-step explanation:
8 * 9 = 72
8, 16, 24, 32, 40, 48, 56, 64, 72
1, 2, 3, 4, 5, 6, 7, 8, 9
Answer combine 1/2 and x.
X/2+2/3=1/6
Subtract 2/3 from both sides of the equation
X/2=1/6-2/3
Simplify the right side of the equation
-2/3 as a fraction with a common denominator, multiply by 2/2
X/2=1/6-2/3 x 2/2
Multiply 3 by 2
X/2 = 1/6 - 2/6 x 2
Combine the numerators over the common denominator
X/2 = 1-2 x2/ 6
Simplify the numerator
Multiply by -2 by 2
X/2 =1-4/6
Subtract 4 from 1
X/2= -3/6
Cancel the common factor of -3 and 6
Factor 3 out of -3
X/2 = 3(-1)/6
Cancel the common factor of 6
X/2 = 3 .-1/3.2
Rewrite the expression
X/2 = -1/2
Move the negative in front of the fraction
X/2= -1/2
Since both sides have the same Denominator the numerators must be equal.
X=-1
Formulas
Step-by-step explanation:
Formulas are all unique and share the common trait of "x" and "y" values and a common purpose of helping you find the x and y value and/or answer to your question.
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1) 4x + 9 = 2x - 6
Subtract 9 from both sides
4x = 2x - 15
Subtract 2x from both sides
2x = -15
Divide both sides by 2:
x = -15/2 or -7.5
2) 2(x - 5) = 5x + 23
Expand the brackets:
2x - 10 = 5x + 23
Subtract 23 from both sides
2x - 33 = 5x
Subtract 2x from both sides
3x = -33
Divide both sides by 3
x = -11
3) 7x + 3 = 2x + 13
Minus 3 from both sides
7x = 2x + 10
Subtract 2x from both sides
5x = 10
Divide both sides by 5
x = 2
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