Substitute y = 2x - 15 to the second equation:
4x + 3(2x - 15) = -5 use distributive property
4x + (3)(2x) + (3)(-15) = -5
4x + 6x - 45 = -5 add 45 to both sides
10x = 40 divide both sides by 10
x = 4
Substitute the value of x to the equation y = 2x - 15:
y = 2(4) - 15 = 8 - 15 = -7
<h3>Answer: (4, -7)</h3>
Answer:
13
Step-by-step explanation:

Answer:
5x-30
Step-by-step explanation:
1. distribute 5(x-6)
= 5x-30
Answer:
21 With glasses
Step-by-step explanation:
32/20=1.6
1.6•7=11.2 Without Glasses
1.6•13=20.8 With Glasses
20.8 rounded to nearest whole number=21