28-4x=12 -4x = -16 /:(-4) x = 4 35-6x=11 -6x = -24 /:(-6) x = 4 45-7x=17 -7x = -28 / :(-4) x = 4 63-5x=28 -5x = -35 /:(-5) x = 7 49-2x=35 -2x = -14 /:(-2) x = 7 54-6x=12 -6x = -42 /:(-6) x = 7 42- 4x=14 -4x = -28 /:(-4) x = 7 72- 7x=9 -7x = -63 /:(-7) x = 9 48-5x=18 -5x = -30 /:(-5) x = 6
28-4x=12 28-12=4x 16=4x x=4 35-6x=11 35-11=6x 24=6x x=4 45-7x=17 45-17=7x 28=7x x=4 63-5x=28 63-28=5x 35=5x x=7 49-2x=35 49-35=2x 14=2x x=7 54-6x=12 54-12=6x 42=6x x=7 42- 4x=14 42-14=4x 28=4x x=7 72- 7x=9 72-9=7x 63=7x x=9 48-5x=18 48-18=5x 30=5x x=6
28-4x=12 28-12=4x 16=4x x=4 35-6x=11 35-11=6x 24=6x x=4 45-7x=17 45-17=7x 28=7x x=4 63-5x=28 63-28=5x 35=5x x=7 49-2x=35 49-35=2x 14=2x x=7 54-6x=12 54-12=6x 42=6x x=7 42- 4x=14 42-14=4x 28=4x x=7 72- 7x=9 72-9=7x 63=7x x=9 48-5x=18 48-18=5x 30=5x x=6
