How to do this ...

Find the solution for each equation.

26) 3f-2=13

27) 2y-10=14

28) 5/7r + (-6) = 29

Just try to isolate the variables.

26) 3f - 2 = 13 add 2 to both sides

3f = 15 divide both sides by 3

f = 5

27) 2y - 10 = 14 add 10 to both sides

2y = 24 divide both sides by 2

y = 12

28) 5/7r + (-6) = 29 subtract - 6 from both sides

5/7r = 35 divide both sides by 5/7. When you divide by a r = 49 fraction, multiply the number by the denominator and divide by the numerator (35 x 7) / 5