Answer:
100 x 4 = 400 - 91 = 309
Step-by-step explanation:
Answer:
5x+3
Step-by-step explanation:

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Answer:
32
Step-by-step explanation:
You can do this by taking away the second equation from the first to get rid of the x terms so:
7x - 7x = 0
-5y - -9y = - 5y + 9y = 4y
22-6 = 16
So you are left with the equation:
4y = 16
Divide both sides by 4 to find y
y = 4
Answer:
736
Step-by-step explanation:
25*32=800
16*4=64
800-64