Substitution method can be applied in four steps
Step 1:
Solve one of the equations for either <span>x = </span>or y = .
Step 2:
Substitute the solution from step 1 into the other equation.
Step 3:
Solve this new equation.
Step 4:
Solve for the second variable.
hope this helps you!
18 cups, if you triple the amount without changing the percentage of strawberry, then the amount of strawberry yoghurt is also tripled
This will give us
That is the second option.
Please mark me as brainliest.
-54-7r=10+25r
-7r-25r=10+54
-32r=64
r=64/-32
r=-2
