x + 10
+
4
x + 3 = x + 4
3
2
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2
Step-by-step explanation:
LCM of 4 and 3 is 12
3x+30 + 4x+12 = x+4
12 2
7x+42 = x+4
12 2
do cross multiply, then,
2(7x+42) = 12(x+4)
14x+ 84 = 12x+48
14x-12x = 84 – 48
2x = 36
x= 36÷2
x= 18
hope it helps you..
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