Answer x=22/5 or 4.4
Step-by-step explanation:
1. Combine like terms
15x-12=54
2. Add 12 to both sides
15x=66
3. Divide both sides by 15
15x/15=66/15
4. x=22/5 or 4.4
Question 7= to work out 19% work out 1% and 20%. 25.00 1%= 0.25 10%= 2.5 so, 20% = 5 (2.5*2) 20%-1% = 19%. 5-0.25 = 4.75 = discount £25-£4.75 =20.25
Answer:
C
Step-by-step explanation:
pi is irrational but it is a real number
10+6x=4x-4
6x-4x=-4-10
2x=-14
x-7
10=6(-7)=-32
4(-7)-4=-32
=-32