Question

Please help me with this show me the steps please

Answer 1

Answer:

The objective for solving equations for variables is to get the x terms on one side and the non-x terms on the other side.

7) r + sx = t

sx = t - r (Subtract r from both sides)

x = (t - r) / s (Divide both sides by s)

8) m = 2x + n

m - n = 2x (Subtract n from both sides)

(m - n) / 2 = x (Divide both sides by 2)

x = (m - n) / 2 ("Flip" the equation, this is optional but this is how you usually write your answer, it will be in the form x = something.)

9) 4x - 5c = 3c

4x = 8c (Add 5c to both sides; 5c + 3c = 8c)

x = 2c (Divide both sides by 4; 8c / 4 = 2c)