Third one down
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Answer:
x=22
Step-by-step explanation:
4x+2+x+3x+2=180
collect like terms
4x+x+3x=180-(2+2)
8x=180-4
8x=176
make x the subject of the formula
x=176/8
x=22
Do 3 minus 1.9
- To make this easier I would do
3 - 2 = 1
1 + 0.1 = 1.1