Name:			Date:
Solve and check.

1) -10x + 6 = -7x + -9	2) 6(x-9) = 4(x-5)
3) 5(r - 3) + 6 = 4r - 4	4) 2(r - 4) = 5(r + -7)
5) 3(x - 3) = 4(x + -3)	6) -12 + 4c = 6c - (19 + 13)
7) -6 + 2n = 3n - (6 + 5)	8) 2m + 11 = 4m - 11
9) 12a + 7 = 3a - 11	10) $\frac{\mathrm{11}}{2}r+8=\frac{5}{2}r+20$
11) $\frac{\mathrm{13}}{2}x+5=\frac{9}{2}x+19$	12) 2(3y - 9) = 5y + 4
13) 4(a - 2) = 6(a + 5)	14) 9(p-2) = 8(p-2)
15) -10m + 7 = -7m + -11	16) 6x - 11 = 16 + 9x
17) -5a + 6 = -4a + -7	18) 2(m - 3) + 8 = 3m - 8
19) 3x + 15 = 7x - 21	20) 3x - 15 = 4x + 2

 

Answers:

1) x = 5	2) x = 17
3) r = 5	4) r = 9
5) x = 3	6) c = 10
7) n = 5	8) m = 11
9) a = -2	10) r = 4
11) x = 7	12) y = 22
13) a = -19	14) p = 2
15) m = 6	16) x = -9
17) a = 13	18) m = 10
19) x = 9	20) x = -17