3.1LTW be able to solve Two-Step

Equations

Solving Two-Step:

2 𝑥−16=10+16 +16

𝑥=13

2 𝑥=262 2

Check:

←

𝑥5

+8=−1

−8 −8𝑥5=−9(5) (5)

𝑥=−45Check:

←

Solving Two-Step (more):

27=−6 𝑦−10+10 +10

−376

=𝑦

37=−6 𝑦−6 −6

Check:

←

12=25𝑐−3

+3 +372=25𝑐( 52 ) ( 52 )

354

=cCheck:

12=12←

Clearing Fractions:12=25𝑐−3

Check:

12=12←

(10) (10)(10) Multiply everything by LCD= 10

5=4𝑐−30+30 +30

354

=c

35=4𝑐4 4

Solve for the unknown variable:

Try some examples:

1)

2)

−1=𝑛

3)

4)

5)

−30=𝑞

a=25r=135

m=−15