exam Maths Puzzle Numerical Ability

5-2x=3x-7x+25

5(d+4)=7(d-2)

3g-3=3(7-g)




I really just dont understand equation with both sides. So explain CLEARLY please.

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exam Other Question
Solve by graphing, Indicate whether each system is independent, inconsistent or denpendent graph the line that has the given intercepts

x-intercept: 2
y-intercept: 2