4a + 7b = 38 -> (1)
9a + 7b = 68 -> (2)
Subtract (1) from (2),
9a - 4a + 7b - 7b = 68 - 38
5a = 30
a = 6
Answer:
Step-by-step explanation:
22/7x7^2=154
22/7x3^2=28(approx)
154-28=126
You would find the solution of this question by finding what plus 4 times its self is 50.clay has 40 red apples because he has 10 green 10*4=40 and 10+40=50.
The equation of the line is y=2/3x + 0
Explanation: The y intercept (where the line crosses the y axis) is 0, and the slope is 2/3 (up two and 3 to the right)
Answer:
x=6, x=-8
Step-by-step explanation: i used the symbolab calculator online to solve this.
