Basic Equations
Basic Equations-Substitution
Translating Expressions
100
f-54=140
f=86
100
5x+7y-8; when x=10, y=5
5x+7y-8 (5*5)+7*5-8 25+(7*5)-8 25+35-8 60-8 52
100
the sum of eighty-nine and a number
89+n
200
108/r=9
r=12
200
5t+t+9: t=4
5t+t+9 (5*4)+4+9 (20+4)+9 24+9 33
200
2 minus y
2-y
300
s+654=700
s=46
300
19-5c-a+10; c=2, a=7
19-5c-a+10 19-(5*2)-7+10 (19-10)-7+10 (9-7)+10 2+10 12
300
q reduced by the quotient of 2 and 3
q-2/3
400
4m=60
m=15
400
5x/2y; when x=6 y=7.5
5x/2y (5*6)/2*7.5 30/(2*7.5) 30/15 2
400
c squared plus the product of 8 and x plus 7
csq + 8x + 7
500
n-349=550
n=899
500
7xyz+8; when x=7, y=2, z=4
7xyz+8 (7*7)*2*4+8 (49*2)*4+8 (98*4)+8 392+8 400
500
7 plus 9, multiplied by 15
15(7+9)
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