Question

0.3 (2x+5x) = 4.2
How do you solve Decimal Equations? i need help again

Answer 1

Answer x=2
Step 1: Simplify both sides of the equation.
2.1
x
=
4.2
Step 2: Divide both sides by 2.1.
2.1
x
2.1
=
4.2
2.1