Q: What is 80 plus 8 equals?

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988.187

10x3+8=80-60+? 30+8=20+? 38=20+? 38-20=? 18=? The answer is 18.

94+94+80+80=348.

x = 6y = 89x + 10y = 9(6) + 10(8) = 54 + 80 = 134

Subtracting gives: 10x = 80 so x = 8 and y = 5

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80+80=160 your welcome

988.187

10x3+8=80-60+? 30+8=20+? 38=20+? 38-20=? 18=? The answer is 18.

94+94+80+80=348.

It is the property that equals plus equals are equals.

86 millimeters 8 centimeters plus 6 mm= 80 mm plus 6 mm

x = 6y = 89x + 10y = 9(6) + 10(8) = 54 + 80 = 134

Subtracting gives: 10x = 80 so x = 8 and y = 5

There are numerous possibilities, such as: 2x40 4x20 8x10 5x16 10+20+50

I'm assuming that you mean 7.6 cm plus 4 millimeters/ And so the answer is 8 cm or 80 mm.

it is 28

To do it in your head: think (60 + 8) + (80 + 5) then rearrange (still in your head): (60 + 80) + (8 + 5) 140 + 13 153