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notsponge [240]
2 years ago
5

What does x= in each of the questions

Mathematics
2 answers:
faust18 [17]2 years ago
7 0

Answer:

x+35/5=2

x+35=10

x=-25

mel-nik [20]2 years ago
5 0

Answer:

\frac{1}{5} x+7=2, x=-25

\frac{m}{7} -7=3, m= 105

\frac{3}{5} x+7=-20,  x= -45

-\frac{2}{7} t+5=17, t=-42

4.9x+4.2=9.1, x=1

Explanation for last two:

-\frac{2}{7}t+5=17  

Step 1: Subtract 5 from both sides.

\frac{-2}{7} t+5-5=17-5

\frac{-2}{7} t=12

Step 2: Multiply both sides by 7/(-2).

(\frac{7}{-2} )*( \frac{-2}{7}t )= (\frac{7}{-2} )*(12)

t=−42

4.9x+4.2=9.1

Step 1: Subtract 4.2 from both sides.

4.9x+4.2−4.2=9.1−4.2

4.9x=4.9

Step 2: Divide both sides by 4.9.

\frac{4.9x}{4.9} \frac{4.9}{4.9}

x=1

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