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What are the answers to questions 4, 5, 6 and 7 in exercise 3.3 on page 98 of the first volume of the seventh grade math book? The whole process! If the process is complete, add points!
( 1)

1.2(x+4)=3.6(x- 14)

Divide both sides by 1.2.

x+4=3(x- 14)

x+4=3x-3* 14

4+3* 14=3x-x

2x=4+3* 14

x=2+3*7

x=23

(2)

( 1/2)(3y+ 1.5)=( 1/4)(y- 1)

Multiply both sides by 4.

2(3y+ 1.5)=y- 1

6y+3=y- 1

6y-y=- 1-3

5y=-4

y=-(4/5)

y=-0.8

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