Solving
Solve for x
x+7 = 10
x=3
Solve when x = 2
7x
Expand
3(x - 1)
3x-3
5x+1-4
5x-3
Create an equation and solve
Jackie used her warranty cards for repairs to the 3 defective laptops from her order of 18 laptops. How many laptops did not require fixing?
m + 3 = 18
m = 15
Solve for x
-3x - 3 = 12
x = -5
Solve when x = 5
4x + 5
25
Expand
3(2x + x - 2)
9x-6
5x + 6x -1
11x-1
Create an equation and solve
Josh sent out invitations to 16 friends for his birthday party. 𝑥 friends replied and he is waiting for the other 7 friends to reply. Find 𝑥.
16 - x = 7
x = 9
Solve for x
(x/2) - 5 = 19
x = 48
Solve when x = -3
2x + 7
1
Expand
3(7-x+10)
-3x+51
2x - 8 + 22x - 7
24x-15
Create an equation and solve
A touch screen cellphone weighs 70 grams while a tablet weighs 3 times as much as the touchscreen cell phones. Honey bought 𝑏 tablets weighing a total of 630 grams. Solve for 𝑏.
210b=630
b =3
Solve for x
3(2x-3) + 5 = 20
x = 4
Solve when x = 4
4 (x-2) + 6
14
Expand
-4(x - 2x + 3)
4x + 12
-8x + 15 + 4x - 1
-4x+14
Crete the equation and solve.
Vilma bought a portable radio for $22 and 4 sets of headphones for $𝑑 each in an electronic shop yesterday. She paid a total of $70. Solve for 𝑑.
4d + 22 = 70
d = 12
Solve for x
4(x-7) + 2x = 3(x+2) + 2
x = 12
Solve when x = 6
3(x-7) + 4x - 2
19
Expand
-2(-7x+2y+7)
14x-4y-14
6x - 8y - 3y + 4
6x -11y + 4
Create a equation and solve
Liam rented a room for a party. The party room charges $20 for the room and $𝑘 for each person attending the party. There are 20 people attending the party, and Liam paid the party room $120. Find 𝑘.
20k + 20 = 120
k = 5