exam Maths Puzzle Numerical Ability

please help to graph on a number line :

x + 4 < or equal to 2 or x - 4 is NOT < or equal to -1, d = reals

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exam Other Question

(y*y)-2x-20y+94=0 Please help me solve for I2 this equation: {{{ 3I1-4I2=17 }}} and {{{ I1+3I2 = -3}}} The I1 and I2 (1 and 2 are on the lower right hand corner of the I's)