Solving Equations

Math Grade 9

y-6=8

y=14

j+7=18+2j

j=-11

b-10=-6

b=4

4(2k-3)=4

k=2

x+7=3(x-2)-(x-3)+5

5h-3=4(h-5)-2h+5

h=-10/3

-2/7 x=6

x=-21

(5p+3)/19=-1

p=-22/5

3x/4 = 1/2

x=2/3

3/4 (2x+1)+ 4/5 =2

x=-9/10

Rearrange for h A=bh/2

2A/b

The number I’m thinking of plus two is three less than twenty five. What is the number?

n=20

If I subtract 10 from my number and multiply the difference by 4, I get the same as when I subtract 7 from my number. What is my number?

4(n-10)=n-7 n=33/4

If I times my number by 7 and then reduce it by 11, I get the same as when I times my number by 3 andincrease it by 17. What is my numbe

7n-11=3n+17 n=7

A triangular backyard has a base of 8m an area of 48m squared. Find length of fencing to enclose it.

14.42