A) W + Y = 29
B) 11.95 W + 11.50 Y = 338.90
Multiply equation A by -11.5
A) -11.5 W + -11.50Y = -333.50 then add to B)
B) 11.95 W + 11.50 Y = 338.90
.45 W = 5.4
W = 12 and so
Y = 17
Answer:
x(5)/(6)y(1)/(2)
Step-by-step explanation:
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Make sure that when you bring a number to the other side of the equal sign, you need to change from + to - or from - to +
3x+45=90
3x=90-45
3x=45
3x/3=45/3
x=15