Create an equivalent ratio to 30:40 by dividing both sides by 10. What is the equivalent ratio?

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.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Simplify the expression 10/11(22z) + (a+5) -1