Answer:
<u>Step-by-step explanation:</u>
Move all of the x's to one side and everything else on the other.
ax = bx + c
ax - bx = c <em>subtracted bx from both sides</em>
x(a - b) = c <em>factored out the like term of "x" on left side</em>
<em>divided both sides by (a- b)</em>
2x = x + 7 → a = 2, b = 1, c = 7
x = 7
<u>Check:</u>
2x = x + 7
<u>-x </u> <u>-x </u>
x = 7
There are 30 boys in the competition. You can find it by first dividing 42 by 7 which is 6, then you multiply 6 by 5 to get 30.
Answer:
4.5 is the answer to k I've done this before