Answer:
Step-by-step explanation:
SOLVE BY SUBSTITUTION:
STEP 1: Replace all occurrences of with in each equation.
STEP 2: Solve for in the first equation.
STEP 3: Replace all occurrences of with in each equation.
Answer:13cm
x=5
3.5=0.75x-0.25
add 0.25 to 3.5
3.75=0.75x
divide 3.75 by 0.75