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julsineya [31]
3 years ago
7

What is the solution to 0.4(12-3x)=0.3(12x-16)

Mathematics
1 answer:
Pavel [41]3 years ago
6 0

Step 1: Simplify both sides of the equation.

0.4(12−3x)=0.3(12x−16)

(0.4)(12)+(0.4)(−3x)=(0.3)(12x)+(0.3)(−16)(Distribute)

4.8+−1.2x=3.6x+−4.8

−1.2x+4.8=3.6x−4.8

Step 2: Subtract 3.6x from both sides.

−1.2x+4.8−3.6x=3.6x−4.8−3.6x

−4.8x+4.8=−4.8

Step 3: Subtract 4.8 from both sides.

−4.8x+4.8−4.8=−4.8−4.8

−4.8x=−9.6

Step 4: Divide both sides by -4.8.

−4.8x /−4.8  =  −9.6 /−4.8

x = 2

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Read 2 more answers
1 1/5 divided by 2 1/6
andre [41]

3 11/30

steps to this: here you have to  Rewrite our equation with parts separated

=1+15+2+16

Solving the whole number parts

1+2=3

Solving the fraction parts

15+16=?

Find the LCD of 1/5 and 1/6 and rewrite to solve with the equivalent fractions.

LCD = 30

630+530=1130

Combining the whole and fraction parts

3+1130=31130

Solution by Formulas

First:

Convert any mixed numbers to fractions.

Then your initial equation becomes:

65+136

Applying the fractions formula for addition,

=(6×6)+(13×5)5×6

=36+6530

=10130

Simplifying 101/30, the answer is

=31130

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