1 answer
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2.
14.1 - 0.3 x = 1.3 x - 4.2
Add 0.3 x to both sides
14.1 = 1.6 x - 4.2
Add 4.2 to both sides
18.3 = 1.6 x
1.6 x = 18.3
x = 18.3 / 1 .6 = 10 ∙ 18.3 / 10 ∙ 1 .6 = 183 / 16 = 11.4375
x = 11.44
to the nearest hundredth
3.
6.2 x + 4.5 = 3.8 x + 7.9
Multiply both sides by 10
62 x + 45 = 38 x + 79
4.
Which equation should be rewritten?