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1st Degree Equation Exercises


1) There are three consecutive integers with a sum of 393. What numbers are these?

2) Solve the following equations:

a) 18x - 43 = 65

b) 23x - 16 = 14 - 17x

c) 10y - 5 (1 + y) = 3 (2y - 2) - 20

d) x (x + 4) + x (x + 2) = 2x2 + 12

e) (x - 5) / 10 + (1-2x) / 5 = (3x) / 4

f) 4x (x + 6) - x2 = 5x2

3) Determine a real number "The"so that the expressions (3a + 6) / 8 and (2a + 10) / 6 are equal.

4) Solve the following equations (in unknown x):

a) 5 / x - 2 = 1/4 (x 0)

b) 3bx + 6bc = 7bx + 3bc