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Earn +20 ptsQ: If 40 percent equals to x30 what is the value of x?
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What is the value of m 5m equals 40?
5m=40/5=/5m=8
What is the value of x for 3x plus 5x equals 40?
5
Evaluate 8x for each value of x x equals 0.5 x equals 2.3 x equals 0.74?
0.5*8=.40
Find the value of x in the equation x-40 equals 60?
x=100
Use addition or substitution to find the value of y for this set of equations 4x plus 13y equals 40 4x plus 3y equals -40?
a) 4x+13y=40 b) 4x+3y=-40c) multiply b per(-1)=-4x-3y-40d) sum a and c: 4x+13y-4x-3y=40-(-40)=>10y=80 => y=8to find x replace y per its value in a or b and get x=-16
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