Answer:
x=-7, y=-9. (-7, -9).
Step-by-step explanation:
-3x+4y=-15
4x-y=-19
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y=4x-(-19)
y=4x+19
-3x+4(4x+19)=-15
-3x+16x+76=-15
13x=-15-76
13x=-91
x=-91/13
x=-7
4(-7)-y=-19
-28-y=-19
y=-28-(-19)
y=-28+19
y=-9
2(12+18) is not equivalent to 24+18
Answer:
Mckayla 30%
Jacob 30%
Daniel 20%
Samantha 10%
Maria 10%
Step-by-step explanation: First Divide 20% into half to get samantha and marias percent then add those together then subtract what you get from that to 100% and then divide into half for Mckayla and Jacobs percent
Answer:
2(3) that's multiplication so the answer is A
Answer:
d
Step-by-step explanation:
