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SVETLANKA909090 [29]
3 years ago
13

1200-5(3x+30)=600 show the steps to solve this problem

Mathematics
2 answers:
jasenka [17]3 years ago
8 0

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{x = 30}}}}}

Step-by-step explanation:

\sf{1200 - 5(3x + 30) = 600}

Distribute 5 through the parentheses

\dashrightarrow{ \sf{1200 - 15x - 150 = 600}}

Subtract the numbers: 150 from 1200

\dashrightarrow{ \sf{ - 15x  + 1050 = 600}}

Move 1050 to right hand side and change it's sign

\dashrightarrow{ \sf{ - 15x = 600 - 1050}}

Subtract 1050 from 600

\dashrightarrow{ \sf{ - 15x = 450}}

Divide both sides of the equation by -15

\dashrightarrow{ \sf{ \frac{ - 15x}{ - 15}  =  \frac{ - 450}{ - 15} }}

Calculate

\dashrightarrow{ \sf{x = 30}}

Hope I helped!

Best regards! :D

Romashka [77]3 years ago
3 0

Answer:

x=+30

Step-by-step explanation:

1200-5(3x+30)=600

We move all terms to the left:

1200-5(3x+30)-(600)=0

We add all the numbers together, and all the variables

-5(3x+30)+600=0

We multiply parentheses

-15x-150+600=0

We add all the numbers together, and all the variables

-15x+450=0

We move all terms containing x to the left, all other terms to the right

-15x=-450

x=-450/-15

x=+30

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