x+ (x+1)+(x+2)-5=2(x+1)+11
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x = 15
Step-by-step explanation:
x+(x+1)+(x+2)-5 = 2(x+1)+11
x+x+1+x+2-5 = 2(x+1)+11
x+x+1+x+2-5 = 2x + 2 + 11
(x+x+x) + (1+2-5) = 2x + (2+11) {combining like terms}
3x - 2 = 2x + 13
3x - 2x = 13 + 2
x = 15//
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