exam Maths Puzzle Numerical Ability

CAN YOU PLEASE HELP ME SOLVE THESE EQUATIONS? 3X+2Y=17, 84-18X=10X, 4(x+8)=6x-2 AND 4(7+5)
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2+1 THANKS IN ADVANCE!

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exam Other Question

5. Fill in the chart given this linear equation:
3x + y = 10
**Type all your work below the chart.
x y
-2 16
-1 13
0 10
1 7
2 4

3 (-2) + y =10 -6 + y = 10 - using number lines from-5 to 15 draw mapping diagrams to illustrate the functions x arrow 3x + 2 and x arrow4x-3