Question

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Answer 1

a) (x+5)+2x=26
3x+5=26
3x=26-5
3x=21=>x=7
b) 3(x+2)+2x=71
3x+6+2x=71
5x+6=71
5x=71-6
5x=65=>x=13
c) 4(x+2)+3x=85
4x+8+3x=85
7x+8=85
7x=85-8=>x=11
d)5(x-2)+x=32
5x-10+x=32
6x-10=32
6x=32+10
6x=42=>x=7
e)8(x-1)-x=27
8x-8-x=27
7x-8=27
7x=27+8
7x=35=>x=5
f)7(x+2)+x=38
7x+14+x=38
8x+14=38
8x=38-14
8x=24=>x=3
g)6(x-1)+3x=39
6x-6+3x=39
9x-6=39
9x=39+6
9x=45=>x=5
h)4(x+5)+3x=97
4x+20+3x=97
7x+20=97
7x=97-20
7x=77=>x=11