Solve the system of equations by the addition method. 3x - 5y = 7 8x + 10y = 14
1 answer:
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Answer:
BADC
Step-by-step explanation:
-4x + 7 27 Subtract 7
-4x 20 Divide both sides by -4
x -5 B
3x - 10 < -25 Add 10
3x < -15 Divide by 3
x < -5 A
5(x - 2) > -15 Use distributive property
5x - 10 > -15 Add 10
5x > -5 Divide by 5
x > -1 D
x - 9 < -10 Add 9
x < -1 C
You are right with multiplying 100 and 3. An easier way to do it is to divide 300 and 4, so you can get the blank.
