Math 8th Grade

Solvings Two-Step Equations

100

-17=-2+5x

x=-3

200

3v-5=1

v=2

300

-21=3y-3

-6=y

400

27=y-10

148

500

23=208-y

185=y

Solving Multi-Step Equations

100

6(v+3)=72

6v=54

200

2 (2v+7) = 6

v=8

300

-3 (3u=4) =39

u=-3

400

-2u+8 (u-4) =-14

u=3

500

-8 (x+9) = 8x-40

-2=x

Negative Exponents

100

-w⁶ (-7w⁶)

-18w⁶

200

5-1=4

7⁴

300

(1,-7) (W⁶xW⁶)

7w¹²

400

5-3=2

4²

500

-2X⁶x8X

-16X²

Scientific Notation

100

3.27X10^-3

.00317

200

5.34X10⁴

53.400

300

7.42X10⁵

742,000

400

0.61X10^-2

0.061

500

1.1X10^-4

000.1

One-Step Equations

100

X+5=8

X=3

200

X+2=10

X=8

300

Y+18=7

y=11

400

-8y=24

y=-3

500

30=6x

5=x