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1. Check, if the value given in the bracket is the root of the equation or not. a) 3x + 9 = 20 (x = 3)b) 7x - 15 = 6 (x = 4)c) 7y x 9 = 63 (y = 1)d) 8y = 43 (y = 5)e) 5×/6+4=9(×=6) f) 3y-5=10(y=5) g) 7×÷5-20 = -6 (x=10) |
| Answer» 3*3+9=209+9=2018≠20Step-by-step explanation:7×4-15=628-15=613≠6 | |