Answer:
28
Step-by-step explanation:
42/15=x/10
*15 *15
42=15x/10
*10 *10
42*10=15x
420=15x
:15 :15
420/15=x
x=28
7/15 divided by 3/5
7/15 / 3/5
Keep ====> 7/15
Change =====> *
Flip ====> 5/3
Now multiply
7/15 * 5/3 = 35/45
35/45 = 7/9
Answer: 7/9
" <span>Substitution method can be applied in four steps.Solve one of the equations for either x = or y = .Substitute the solution from step 1 into the other equation.Solve this new equation.Solve for the second variable. ...<span>Step 1: Solve one of the equations for either x = or y = . - Google.</span></span>
9+(-9)=0 you are showing the opposite sign of the number that added together would give you the sum of zero.
Answer:
5
Step-by-step explanation: