Solve 1 step and 2 step equations. 1) 29 = 2 +v
2) T - 4 = 14
3) m + 4 = −12
4) x − 7 = 13
5) p − 6 = −5
6) 14b = −56
7) 10n = 40
8) w5 = 2
9) D7= -13
10) 8n + 7 = 31
11) 15 – 3t = –12
12) 7 = –6m + 7

What does x = in this equation x+3+2x=x+5

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.