WARM UP. -12(k + 4) = 60 63 = 6.50p + 17.50 Solve for x. 3x + 6y = 12. LOL. Lesson Target. I can solve and write equations using inverse operations. Study Guide. Check answers. Practice Test. Question #1. 5X + 15 = 50. X = 7. Question #2. 8x – 2x + 3 = 15 What’s the 1 st step?.
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I can solve and write equations using inverse operations.
5X + 15 = 50
X = 7
8x – 2x + 3 = 15
What’s the 1st step?
Combine like terms on the left side.
8(3a + 6) = 9(2a – 4)
A = -14
Determine how many solutions the following equation has. If the equation has one solution, solve for the variable.
3(6 – 4x) = -2(6x – 9)
All real numbers
How many solution does the equation have? If there is only one, determine the value.
-g + 2(3 + g) = -4(g + 1)
G = -2
Find the value of x.
0.2(x + 50) – 6 = 0.4(3x + 20)
X = -4
Solve for following equation for y.
6x + 3y = 12
Y = -2x + 4
Solve the following equation for a.
What is the value of x if the perimeter is 28 cm?
X = 5
If the formula for m = 3abc, what is the formula for b?
Write an equation and then determine the number described in the following statement: Four more than twice a number is four times a number less six.
2x + 4 = 4x – 6: x= 5
My refrigerator repairman charges $125 to make a house call and $25 for each hour worked. If you have $350, can you afford a repair that that takes 6 hours?
No, h = 5
The product of a number and three is equal to twice the number subtracted from forty-five.
3x = 45 – 2x; x = 5
Alan brought cupcakes for his Math class. He gave half of them to the boys and 7 cupcakes to the girls. He had 2 cupcakes left after class. How many cupcakes did he bring?
Gary and Fred are working on their study guide. Gary can solve 6 questions per minute and Fred can only solve 3 questions per minute. If they both start at the same time, how many minutes will it be before Gary solves 9 more questions than Fred?
Ruby says the following equation has infinitely many solutions but Joanna says there are no real solutions for the equation. Solve. Who’s right?
-10y + 18 = -3(5y – 7) + 5y
No solution. 18 ≠ 21