Question

x-3=2
x-2=10
x-5=15
????????​

Answer 1

$\boxed{\begin{array}{lr}x-3=2\\x=2+3\\\\\huge\boxed{\sf x=5 }\end{array}}\\\\\boxed{\begin{array}{lr}x-2=10\\x=10+2\\\huge\boxed{\sf x=12 }\end{array}}\\\\\boxed{\begin{array}{lr}x-5=15\\x=15+5\\\huge\boxed{\sf x=20 }\end{array}}$