HTCMS Solving Equations

Simplifying

100

Simplify:  9x + 10y - 15x + 12y

-6x + 22y

200

Simplify:  5r - 4 +7r - 5

12r - 9

300

Simplify:  3(x-2)+5

3x-1

400

Simplify:  2(3-x) + 4(x-7)

-22 + 2x

500

Simplify:  2x +3(x-4) -3 + 6(1-x)

-1x - 9

One-step Equations

100

Solve: x + 10 = 15

x = 5

200

Solve: y - 15 = 12

 y = 27

300

Solve: 3x = 15

x = 5

400

Solve: x/4 = -12

x = -48

500

Solve: -4y = -240

y = 60

Two-Step Equations

100

Solve: 2x + 10 = 12

x = 1

200

Solve: 22 = -1y + 15

y = -7

300

Solve: 1 = x/3 - 15

x = 48

400

Solve: -2x + 7 = 15

x = -4

500

Solve: -6 = 4 + 5x

y = -2

Multi-Step Equations

100

Solve: 2(3n + 7) = -22

n = -6

200

Solve: 5(h + 11) = 20

h = -7

300

Solve: 2(a - 4) + 3 = 13

a = 9

400

Solve: -4x + 3(2x - 5) = 31

x = 23

500

Solve: 2(9b - 27) = 36

 b = 5

Variables on Both Sides

100

Solve: 7 - 2n = n - 14

n = 7

200

Solve: 3d + 8 = 2d - 7

d = -15

300

2(4 - 2r) = -2(r + 5)

r = 9

400

Solve: 3v + 9 = 5(v - 1)

v = 7

500

Solve: 4g + 13 = 2(g - 1) + 3(7 - 3g)

g = 6/11