Answer:
70%of x = 63
70/100 × x = 63
x=63×100/70
x=90
Step-by-step explanation:
-14
(-4)(5)+(-3)(-2)
=-20+6
=-14
Answer: Associative property
x = 15
y = 2
X-4y=7 | ×6 |
-6x-3y=12 | ×1 |
6x - 24y = 42
-6x - 3y = 12
___________+
27y = 54
y = 54/27
x - 4y = 7
x - 4(2) = 7
x - 8 = 7
x = 7 + 8
