field. Find the rise in the level of the field.
. Multiply (4x + 3y) by (2x + 4y – 5) and find the value of the product for x = 1 and y=-2.
30.
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4(1)+2(1)+4y-5
4+2+4y-5
6+4y-5
10y-5
=5y
3(2)+2x+4(2)-5
6+2x+8-5
5x-3
x=5÷3
=1.6
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