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Given the F equals 8 G equals -3 and H equals 1 over 2 work out 4F - 5G - 2H?
Wiki User
∙ 12y ago
You need to replace all the variables with the numbers specifed from above. When a letter and a number are placed side-by-side like you have in your equation that means to multiply. So, when you replace all the variabls with the correct numbers you have:
=4(8)-5(-3)-2(1)
So, when that is multiplied out you get:
=32+15-2
You may see the I added a plus sign in front of the fifteen, when two negative numbers are multiplied the negative numbers become a positive number. When added together you get 45.
Wiki User
∙ 12y ago
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