write an algebraic equation for the following and solve it. show all your steps
1. the sum of one-third of a number and 4 is 7. what is the number?
2. the sum of the square of a number and 7 is 32. what is the number?
3. thirty divided by seven times a number is 1. what is the number?

For what value of x does 4x = (1/8) x + 5?

16 more than the product of 5 and p

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality