First you move -15 over which makes it 7b=5b+12
then you move 5b over so then its 2b=12
divide b=6
Answer:
Step-by-step explanation:
Take the pre-sale price.
Divide the original price by 100 and multiply it by 30.
Take this new number away from the original one.
The new number is your discounted value.
Answer:
15
Step-by-step explanation:
using the rule of exponents
= 
=
=
= 15
Answer:

]
Step-by-step explanation:
The given inequality is ;

Multiply through by 8 to clear the fraction;

Expand;

Group similar terms;


Answer:
x = 4
Step-by-step explanation:
Given
- 3(2x + 7) = - 29 - 4x ← distribute parenthesis on left side
- 6x - 21 = - 29 - 4x ( add 4x to both sides )
- 2x - 21 = - 29 ( add 21 to both sides )
- 2x = - 8 ( divide both sides by - 2 )
x = 4 ← as required