3 years ago

Help fast please who ever answer correct i will rate them excellent,

Mathematics

2 answers:

GaryK [48]3 years ago

5 0

1. x =5

2. x = 7

3. p = 12

4. m=2

5. z = 10

andrezito [222]3 years ago

5 0

Answer:

Below in bold.

Step-by-step explanation:

1) 4x - 7 = 13

4x = 20

x = 20/4

x = 5.

2) 3x + 4 = 25

3x = 21

x = 7.

3) p/3 + 5 = 9

p/3 = 9 -5 = 4

Multiply both sides by 3:

p = 3*4

p = 12.

4) m/5 + 2 = 12/5

Multiply through by 5:

m + 10 = 12

m = 12 -10

m = 2.

5) 4z/5 - 2 = 6

4z/5 = 8

Cross multiply:

4z = 5*8

4z = 40

z = 10.

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