10x+8=8x-(-16)
10x+8=8x+16
move 8x to the other side
sign changes from +8x to -8x
10x-8x+8=8x-8x+16 ( combine like terms)
2x+8=16
move 8 to the other side
2x+8-8=16-8
2x=8
divide both sides by 2 to get x by itself
2x/2=8/2
answer;
x=4
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