Answer:7+a
Step-by-step explanation:multiply 7 by a
Y = 30 - 2(2)
y= 30 - 4
y = 26
4/7 × 3/4
(4 and 4 are cancelled )
7×3
the answer is 21
Answer:
x = 12
Step-by-step explanation:
5x - 7 = 3x + 17
2x -7 = 17
2x = 24
x = 12
Answer: DB=31.66and EC=49.32
Step-by-step explanation: