Answer to Q123
Solve for y where 0.5y – 1.1 = 4.9
0.5y – 1.1 = 4.9
0.5y = 4.9 + 1.1 (sign changes when you move across your the equal)
0.5y = 6
Divide all through by 0.5
y = 6 ÷ 0.5
y = 6 ÷ ½
This can be rewritten as
y = 6 x 2 [a ÷ 1/b = a x b]
y = 12
Answer: 12
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