Answer:
-0.85714285714
Rounded answer:
-0.86
Step-by-step explanation:
2x+y=-4
5x+3y=-6
multiply first equaton by -5 and second by 2 then add them
-10x-5y=20
<u>10x+6y=-12 +</u>
0x+1y=8
y=8
the y value is 8
Answer:
Obtendrías 1
Step-by-step explanation:
Primero resta 5 de 8 para obtener 3,
luego reste por 2 para obtener 1
¡Espero eso ayude!
Answers
1. Solve inside bracket first
7x^2+4x-26+7x^2+3x-15
= (14x^2+7x-41) Answer
2. 5x(6x^2+3x+7)-1(6x^2+3x+7)
= 30x^3+15x^2+35x-6x^2-3x-7
= (30x^3+9x^2+32x-7) Answer
12 times 5 equals 60 plus 6 equals 66