Hey this subjects really hard for me can someone answer please its 50 points

How can you solve an equation with a variable on both sides? complete the explanation. you can solve the equation by using *(blank)* operations to get the variable terms on one side of the equal sign and the constant terms on the *(blank)* side. then *(blank)* both sides by the coefficient of the resulting variable term.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14