Answer:
a=60
Explanation:
Step 1: Simplify both sides of the equation.
0.18a+8.4=0.32a
Step 2: Subtract 0.32a from both sides.
0.18a+8.4−0.32a=0.32a−0.32a
−0.14a+8.4=0
Step 3: Subtract 8.4 from both sides.
−0.14a+8.4−8.4=0−8.4
−0.14a=−8.4
Step 4: Divide both sides by -0.14.
−0.14a ÷ −0.14 = −8.4 ÷ −0.14
a=60