4,000,000-[(300,000)+x] = 147,000

Answer 1

Divide both sides by 1000 to get rid of confusing extra zeros.

4000 - (300 + .001x) = 147

Get rid of parenthesis.

4000 -300 - .001x = 147

Combine terms and multiply by -1.

.001x = 3553

Multiply by 1000.

x = 3,553,000