Answer:
x = 48
Explanation:
given
70 - (x - 3) = 25 ( subtract 70 from both sides )
- (x - 3) = - 45 ( multiply both sides by - 1 )
- 1 × - (x - 3) = - 1 × - 45 ( simplify both sides )
x - 3 = 45 ( add 3 to both sides )
x - 3 + 3 = 45 + 3 , that is
x = 48