Answer:
a = -10
Step-by-step explanation:
89 + 10a + 2 = a + 1
91 + 10a = a + 1
9a = - 90
a = -10
Answer:
8x5=40
Step-by-step explanation:
Y = 4x + 50
y is height, 4 meters per second (x), 50m initial height
Answer:
-8
Step-by-step explanation:
-5x - 14 = -3x + 2
-2x = 16
x = -8