Solving Equations and Inequalities

Solve the Equation

100

2x - 7 = 12

x = 9.5

200

-22 = 11 - 3d

d = 11

300

2(4x - 1) = 14

x = 2

400

5m + 6 = -3m - 10

m = -2

500

3[(4p + 1) - 3] = 2(p +5)

p = 1.6

Solve the Inequality

100

-6 + 3y > 9

y > 5

200

-5r - 2 > -17

r < 3

300

16 + x < 3x - 4

x > 10

400

4x > 3 and -2x + 1 > 10

x > .75 and x < -4.5

500

-13 < 5n - 3 < 2

-2 < n < 1

Fill in the blank

100

I solve equations/inequalities by doing the _______ of what i see in the problem.

opposite

200

The 4 properties of equality are _____, ______, _____, and ________,

addition, subtraction, multiplication, and division

300

When I divide by a __________ in inequalities I must _____ the symbol.

negative, flip (change)

400

I get rid of ( ) by _________ the outside by the inside.

multiplying

500

I know the difference between < and > because the ___ looks like a ____

<, L