Answer:
6x-3
Step-by-step explanation:

Now multiple the coefficients and add the exponents with common bases

Now write your final expression

Hope I helped!
X/7 = 6/4.2
4.2x = 42
x= 10
Answer:
1/3
Step-by-step explanation:
when you change the mixed numbers to improper fractions, you get 4/5 * 10/9 ÷ 8/3. you can flip the 8/3 to 3/8 and change the division sign to multiplication, because dividing by a fraction is the same as multiplying by its reciprocal. you can cancel some things and ultimately you get 1/3
When you are solving an algebraic one-step equation, the goal is to isolate the variable on one side of the equal sign, two-step equations are the same, but with one more step (hence the name)