If ax +3=7-bx what is x expressed in terms of a and b

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asked Sep 25, 2018 93.3k views

1 Answer

Pikalek · Answer 1 · 2018-09-30T08:23:55+0000

ax + 3 = 7 - bx .....add bx to both sides
ax + bx + 3 = 7 ...subtract 3 from each side
ax + bx = 7 - 3
ax + bx = 4 ....factor out x
x(a + b) = 4 ...divide both sides by (a + b)
x = 4 / (a + b) <==

If ax +3=7-bx what is x expressed in terms of a and b

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