Answer:
5.
x + 2(x + 1) = 8 --> x = 2
y = 2 + 1 = 3
7.
3(9 + 2y) + 5y = 20 --> y = -7/11
x = 9 + 2(-7/11) = 85/11
9.
3(-1 - 2y) + 5y = -1 --> y = -2
x = -1 - 2(-2) = 3
Answer:
3.9375
Step-by-step explanation:
Answer:
5.6
Step-by-step explanation:because if you divide correctly it will equal 5.6
Answer:
x(85/100)
Step-by-step explanation:
100-15 = 85
x(85/100)