expanding
6(x+5)
6x+30
30 and 60
30
12x + 30
6(2x+5)
15x and 13a
not like terms
45x + 32x + 1x =
45x + 32x + 1x =78x
5(x+10)
5x+50
2 and 8
2
10x+20
10(1x+20)
1a and 59a
like terms
22x + 20x - 30x =
22x + 20x - 30x =12x
10(x+20)
10x+200
500 and 1000
500
15x+25
5(3x+5)
11a, 79a, 54x, 32a
not like terms
10x + 78x - 84x =
10x + 78x - 84x = 4x
30(x+40)
30x+1200
10 and 20
10
30x+50
10(3x+5)
22x, 72x, 45x
like terms
13x - 11x + 57x =
13x - 11x + 57x = 59x
7(x+10)
7x+70
35 and 50
5
2x+8
2(1x+4)
17a, 41a, 61x
not like terms
100x - 99x =
100x - 99x = 1x